List of UNIT personnel in Doctor Who
Encyclopedia
UNIT
UNIT
UNIT is a fictional military organisation from the British science fiction television series Doctor Who, Torchwood and The Sarah Jane Adventures...

stands for UNified Intelligence Taskforce, (formerly it stood for United Nations Intelligence Taskforce), a fictional entity in the Doctor Who
Doctor Who
Doctor Who is a British science fiction television programme produced by the BBC. The programme depicts the adventures of a time-travelling humanoid alien known as the Doctor who explores the universe in a sentient time machine called the TARDIS that flies through time and space, whose exterior...

 universe
Whoniverse
Whoniverse, a portmanteau of the words "Who" and "universe", is a word used to describe the fictional setting of the television series Doctor Who, K-9 and Company, Torchwood, The Sarah Jane Adventures and K-9, as well as other related stories...

.

UNIT first appeared in the Second Doctor
Second Doctor
The Second Doctor is the second incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by character actor Patrick Troughton....

 serial The Invasion
The Invasion (Doctor Who)
The Invasion is a serial in the British science fiction television series Doctor Who, which was first broadcast in eight weekly parts from 2 November to 21 December 1968...

, (1968), although Alistair Gordon Lethbridge-Stewart
Brigadier Lethbridge-Stewart
Brigadier Sir Alistair Gordon Lethbridge-Stewart, generally referred to simply as the Brigadier, is a fictional character in the British science fiction television series Doctor Who, played by Nicholas Courtney...

 had appeared earlier in The Web of Fear
The Web of Fear
The Web of Fear is a serial in the British science fiction television series Doctor Who, which was first broadcast in six weekly parts from 3 February to 9 March 1968. This serial — which marks the return of the Yeti, the Great Intelligence, and Professor Travers — is the sequel to The Abominable...

 (1968), as a military Colonel
Colonel
Colonel , abbreviated Col or COL, is a military rank of a senior commissioned officer. It or a corresponding rank exists in most armies and in many air forces; the naval equivalent rank is generally "Captain". It is also used in some police forces and other paramilitary rank structures...

. UNIT went on to feature in many Third Doctor
Third Doctor
The Third Doctor is the third incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by actor Jon Pertwee....

 stories, as the Doctor was exiled to Earth in Spearhead from Space
Spearhead from Space
Spearhead from Space is a serial in the British science fiction television series Doctor Who, which was first broadcast in four weekly parts from 3 January to 24 January 1970. The serial opened Series 7 of the show and was the first to be produced in colour. The serial introduced Jon Pertwee as the...

 (1970), and became UNIT's Scientific Advisor following the Auton
Auton
The Autons are an artificial life form from the British science fiction television series Doctor Who, and adversaries of the Doctor. First appearing in Jon Pertwee's first serial as the Doctor, Spearhead from Space in 1970, they were the first monsters on the show to be presented in colour.Autons...

 attack. The Doctor would maintain this post in subsequent incarnations. UNIT is a large organisation and many personnel have featured in Doctor Who over the years. Some lead, supporting and recurring characters have worked for or have been affiliated with the organisation.

Corporal Adams

Corporal Adams, played by Max Faulkner, was stationed in Devesham during the Kraal invasion, as seen in the Fourth Doctor
Fourth Doctor
The Fourth Doctor is the fourth incarnation of the protagonist of the long-running BBC British television science-fiction series Doctor Who....

 serial The Android Invasion
The Android Invasion
The Android Invasion is a serial in the British science fiction television series Doctor Who, which was first broadcast in four weekly parts from 22 November to 13 December 1975. It marks the last appearance of UNIT Character Sergeant Benton...

 (1975). The Kraals made an android replica of him. Faulkner had previously played a UNIT Soldier in the Third Doctor
Third Doctor
The Third Doctor is the third incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by actor Jon Pertwee....

 serial The Ambassadors of Death
The Ambassadors of Death
The Ambassadors of Death is a serial in the British science fiction television series Doctor Who, which was first broadcast in seven weekly parts from March 21 to May 2, 1970.-Plot:...

 (1970).

Brigadier Winifred Bambera

Brigadier Winifred Bambera, played by Angela Bruce
Angela Bruce
Angela Bruce is an English actress, noted for her television work.Bruce was born in Leeds, Yorkshire and raised in Craghead, County Durham...

, appeared in the Seventh Doctor
Seventh Doctor
The Seventh Doctor is the seventh incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by the actor Sylvester McCoy....

 serial Battlefield
Battlefield (Doctor Who)
Battlefield is a serial in the British science fiction television series Doctor Who, which was first broadcast in four weekly parts from September 6 to September 27, 1989. It was the last appearance of Brigadier Lethbridge-Stewart in Doctor Who....

 (1989) as UNIT's commanding officer. She worked alongside the Seventh Doctor, Ace
Ace (Doctor Who)
Dorothy Gale McShane, better known by her nickname Ace, is a fictional character played by Sophie Aldred in the long-running British science fiction television series Doctor Who...

 (whom the Doctor had initially passed off as UNIT's former Scientific Advisor, Liz Shaw
Liz Shaw (Doctor Who)
Dr. Elizabeth "Liz" Shaw is a fictional character played by Caroline John in the long-running British science fiction television series Doctor Who and its spin-offs...

, with Liz's old security pass), and Brigadier Lethbridge-Stewart
Brigadier Lethbridge-Stewart
Brigadier Sir Alistair Gordon Lethbridge-Stewart, generally referred to simply as the Brigadier, is a fictional character in the British science fiction television series Doctor Who, played by Nicholas Courtney...

 (pulled out of retirement for the duration of the crisis), in defeating the extra-dimensional forces of Morgaine and Mordred in Carbury
Carbury
Carbury , also formerly spelt "Carbery", is a village in north-west County Kildare, Ireland. It is situated in the on the R402 regional road between Enfield and Edenderry, near the border with County Offaly...

. She was in command during the mid-1990s and was tasked with transporting a nuclear missile
Nuclear weapons delivery
Nuclear weapons delivery is the technology and systems used to place a nuclear weapon at the position of detonation, on or near its target. Several methods have been developed to carry out this task....

 across Britain
Great Britain
Great Britain or Britain is an island situated to the northwest of Continental Europe. It is the ninth largest island in the world, and the largest European island, as well as the largest of the British Isles...

. Bambera is shown able to fight with weapons and in hand-to-hand combat. She took a no-nonsense, by-the-book approach to command that warranted the respect of those under her. Major Husak and Sergeant Zbrigniev reported directly to her. She uses the word "shame" as an expletive.

Bambera appears several times in the Virgin New Adventures
Virgin New Adventures
The Virgin New Adventures were a series of novels from Virgin Publishing based on the British science-fiction television series Doctor Who...

 novels, notably in Head Games
Head Games (Doctor Who)
Head Games is an original novel written by Steve Lyons and based on the long-running British science fiction television series Doctor Who...

 and The Dying Days
The Dying Days
The Dying Days is an original novel written by Lance Parkin and based on the long-running British science fiction television series Doctor Who. It was last of that range to feature the Doctor and the only one of that range to feature Paul McGann's Eighth Doctor. Thereafter the series centred around...

. It is revealed that she marries Ancelyn, the Arthurian knight from Battlefield, and that the couple have twins. She is mentioned as having served as a Colonel under Brigadier Crichton in the noveliastion of Downtime
Downtime
The term downtime is used to refer to periods when a system is unavailable.Downtime or outage duration refers to a period of time that a system fails to provide or perform its primary function...

. Her later life is seen in the Prelude to Transit
Transit (Doctor Who)
Transit is an original novel written by Ben Aaronovitch and based on the long-running British science fiction television series Doctor Who. It features the Seventh Doctor, Bernice and the first appearance of Kadiatu Lethbridge-Stewart...

 (where she holds the rank of General) and the short story Excalibur of Mars in the Bernice Summerfield anthology Present Danger
Present danger
Present Danger is a Big Finish original anthology edited by Eddie Robson, featuring Bernice Summerfield, a character from the spin-off media based on the long-running British science fiction television series Doctor Who.-Stories:-External links:*...

.

In the IDW
IDW Publishing
IDW Publishing, also known as Idea + Design Works, LLC and IDW, is an American publisher of comic books and comic strip collections. The company was founded in 1999 and has been awarded the title "Publisher of the Year Under 5% Market Share" for the years 2004, 2005 and 2006 by Diamond Comic...

 comic The Forgotten, the Ninth Doctor
Ninth Doctor
The Ninth Doctor is the ninth incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He is played by Christopher Eccleston....

 used the name "Brigadier Bambera" as an alias when visiting World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

.

She reunited with the Seventh Doctor and Ace in the Big Finish Productions Lost Stories audio Animal
Animal (Doctor Who audio drama)
Animal is a Big Finish Productions audio drama based on the long-running British science fiction television series Doctor Who. -Cast:*The Doctor - Sylvester McCoy*Ace - Sophie Aldred*Raine Creevey - Beth Chalmers...

.

Corporal Bell

Corporal Bell, played by Fernanda Marlowe
Fernanda Marlowe
Fernanda Marlowe is a British actress, best known for her role as Corporal Bell, in the Doctor Who stories, The Claws of Axos, , and The Mind of Evil, . She also appeared in Dixon of Dock Green.-External links:...

, was one of Brigadier Lethbridge-Stewart
Brigadier Lethbridge-Stewart
Brigadier Sir Alistair Gordon Lethbridge-Stewart, generally referred to simply as the Brigadier, is a fictional character in the British science fiction television series Doctor Who, played by Nicholas Courtney...

's administrative support staff. She appeared in the Third Doctor
Third Doctor
The Third Doctor is the third incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by actor Jon Pertwee....

 serials The Mind of Evil
The Mind of Evil
The Mind of Evil is a serial in the British science fiction television series Doctor Who, which was first broadcast in six weekly parts from 30 January to 6 March 1971.-Plot:...

 (1971) and The Claws of Axos
The Claws of Axos
-Writing:In late 1969, script editor Terrance Dicks contacted new writing duo Bob Baker and Dave Martin after reading a draft script they had sent around the BBC for another production, A Man's Life. After offering the duo a seven-part story in November 1969 for Doctor Whos eighth season, Baker and...

 (1971). According to the Doctor Who: Missing Adventures
Virgin Missing Adventures
The Virgin Missing Adventures were a series of novels from Virgin Publishing based on the British science-fiction television series Doctor Who, which had been cancelled in 1989, featuring stories set between televised episodes of the programme. The novels were published from 1994 to 1997, and...

 novel The Eye of the Giant
The Eye of the Giant
The Eye of the Giant is an original novel written by Christopher Bulis and based on the long-running British science fiction television series Doctor Who. It features the Third Doctor, Liz and UNIT. It takes place prior to the Missing Adventure The Scales of Injustice by Gary Russell.-External...

 by Christopher Bulis
Christopher Bulis
Christopher Bulis is a writer best known for his work on various Doctor Who spin-offs. He is one of the most prolific authors to write for the various ranges of spin-offs from the BBC Television series Doctor Who, with twelve novels to his name, and between 1993 and 2000 he had at least one Doctor...

 (and reiterated in a number of subsequent novels), her first name is Carol. The canonicity
Canon (fiction)
In the context of a work of fiction, the term canon denotes the material accepted as "official" in a fictional universe's fan base. It is often contrasted with, or used as the basis for, works of fan fiction, which are not considered canonical...

 of spin-off media is unclear.

Major Beresford

Major Beresford, played by John Acheson
John Acheson
John Acheson was a British actor whose screen career extended from 1970 to 1976.John Acheson appeared on TV and in the 1970 film You Can't Win 'Em All. He is known for playing Major Beresford in the 1976 Doctor Who story, "The Seeds of Doom".- External links :...

, was in command when UNIT was called on to help defeat the Krynoids in the Fourth Doctor
Fourth Doctor
The Fourth Doctor is the fourth incarnation of the protagonist of the long-running BBC British television science-fiction series Doctor Who....

 serial The Seeds of Doom
The Seeds of Doom
The Seeds of Doom is a serial in the British science fiction television series Doctor Who, which was first broadcast in six weekly parts from 31 January to 6 March 1976...

 (1976). Brigadier Lethbridge-Stewart
Brigadier Lethbridge-Stewart
Brigadier Sir Alistair Gordon Lethbridge-Stewart, generally referred to simply as the Brigadier, is a fictional character in the British science fiction television series Doctor Who, played by Nicholas Courtney...

 was in Geneva
Geneva
Geneva In the national languages of Switzerland the city is known as Genf , Ginevra and Genevra is the second-most-populous city in Switzerland and is the most populous city of Romandie, the French-speaking part of Switzerland...

 at the time.

Private Betts

Private Betts, played by David Billa, was a UNIT soldier posted at Llanfairfach in Wales
Wales
Wales is a country that is part of the United Kingdom and the island of Great Britain, bordered by England to its east and the Atlantic Ocean and Irish Sea to its west. It has a population of three million, and a total area of 20,779 km²...

 during the incident with the Giant Maggots, as seen in the Third Doctor
Third Doctor
The Third Doctor is the third incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by actor Jon Pertwee....

 serial The Green Death
The Green Death
The Green Death is a serial in the British science fiction television series Doctor Who, first broadcast in six weekly parts from 19 May 1973 to 23 June 1973. It was the last to feature Katy Manning as companion Jo Grant in Doctor Who...

 (1973).

Major Richard Blake

Major Richard Blake worked at UNIT during "The Christmas Invasion
The Christmas Invasion
"The Christmas Invasion" is a 60-minute special episode of the British science fiction television series Doctor Who. It is Christmas, but there is little cause for celebration as planet Earth is invaded by aliens known as the Sycorax...

" (2005). He contacted the Torchwood Institute
Torchwood Institute
The Torchwood Institute is a fictional secret organization from the British science fiction television series Doctor Who and its spin-off series Torchwood. It was established in 1879 by Queen Victoria after the events of "Tooth and Claw". Its prime directive, is to defend the earth against...

 on the orders of Prime Minister Harriet Jones
Harriet Jones
Harriet Jones MP is a recurring fictional character played by Penelope Wilton in the long-running British science fiction television series Doctor Who. With the revival of Doctor Who in 2005, Jones was introduced in the two-part story "Aliens of London" and "World War Three" as an MP who aids the...

. Having been transported to their ship, he was killed by the Sycorax for protesting about them killing Daniel Llewellyn, the Project Director for the Guinevere One space probe.

Private Bryson

Private Bryson, played by Colin Bell, was on duty during the supposed 'Dinosaur
Dinosaur
Dinosaurs are a diverse group of animals of the clade and superorder Dinosauria. They were the dominant terrestrial vertebrates for over 160 million years, from the late Triassic period until the end of the Cretaceous , when the Cretaceous–Paleogene extinction event led to the extinction of...

 Invasion', as seen in the Third Doctor
Third Doctor
The Third Doctor is the third incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by actor Jon Pertwee....

 serial Invasion of the Dinosaurs
Invasion of the Dinosaurs
Invasion of the Dinosaurs is a serial in the British science fiction television series Doctor Who, which was first broadcast in six weekly parts from 12 January to 16 February 1974.-Synopsis:...

 (1974). Somewhat gullible, he held the Doctor captive after his arrest, but was sent away by Sergeant Benton to get rope to tie the Doctor up, allowing Benton to prompt the Doctor to escape.

Mr Campbell

Mr Campbell was a Scotsman
Scottish people
The Scottish people , or Scots, are a nation and ethnic group native to Scotland. Historically they emerged from an amalgamation of the Picts and Gaels, incorporating neighbouring Britons to the south as well as invading Germanic peoples such as the Anglo-Saxons and the Norse.In modern use,...

 working in UNIT's scientific supply section during the Third Doctor
Third Doctor
The Third Doctor is the third incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by actor Jon Pertwee....

 serial Terror of the Autons
Terror of the Autons
Terror of the Autons is a serial in the British science fiction television series Doctor Who, broadcast in four weekly parts from 2 to 23 January 1971...

 (1971). According to the novelisation, he holds the rank of Corporal.

Corporal Champion

Corporal Champion, played by James Haswell, was on duty during the incident involving three alien 'ambassadors', as seen in the Third Doctor
Third Doctor
The Third Doctor is the third incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by actor Jon Pertwee....

 serial The Ambassadors of Death
The Ambassadors of Death
The Ambassadors of Death is a serial in the British science fiction television series Doctor Who, which was first broadcast in seven weekly parts from March 21 to May 2, 1970.-Plot:...

 (1970).

Corporals

Six unnamed corporals have appeared in the series, played by Billy Horrigan, (The Mind of Evil
The Mind of Evil
The Mind of Evil is a serial in the British science fiction television series Doctor Who, which was first broadcast in six weekly parts from 30 January to 6 March 1971.-Plot:...

), Clinton Morris and Derek Martin
Derek Martin
Derek Martin is a British actor who is best known for his role as Charlie Slater in the British soap opera EastEnders which he played from 2000 to 2011.-Personal life:...

 (The Claws of Axos
The Claws of Axos
-Writing:In late 1969, script editor Terrance Dicks contacted new writing duo Bob Baker and Dave Martin after reading a draft script they had sent around the BBC for another production, A Man's Life. After offering the duo a seven-part story in November 1969 for Doctor Whos eighth season, Baker and...

), Patrick Milner (The Dæmons
The Dæmons
The Dæmons is a serial in the British science fiction television series Doctor Who, which was first broadcast in five weekly parts from May 22 to June 19, 1971.-Plot:...

), Pat Gorman (Invasion of the Dinosaurs
Invasion of the Dinosaurs
Invasion of the Dinosaurs is a serial in the British science fiction television series Doctor Who, which was first broadcast in six weekly parts from 12 January to 16 February 1974.-Synopsis:...

) and Bernard G. High (Terror of the Zygons
Terror of the Zygons
Terror of the Zygons is a serial in the British science fiction television series Doctor Who, which was first broadcast in four weekly parts from 30 August to 20 September 1975...

, the novelisation of which calls him Palmer).

Colonel Charles Crichton

Colonel Charles Crichton, played by David Savile, succeeded Brigadier Lethbridge-Stewart
Brigadier Lethbridge-Stewart
Brigadier Sir Alistair Gordon Lethbridge-Stewart, generally referred to simply as the Brigadier, is a fictional character in the British science fiction television series Doctor Who, played by Nicholas Courtney...

 as Brigadier
Brigadier
Brigadier is a senior military rank, the meaning of which is somewhat different in different military services. The brigadier rank is generally superior to the rank of colonel, and subordinate to major general....

 following the latter's retirement. He briefly met the Second Doctor
Second Doctor
The Second Doctor is the second incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by character actor Patrick Troughton....

 during a UNIT reunion, featured in the Fifth Doctor
Fifth Doctor
The Fifth Doctor is the fifth incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He is portrayed by Peter Davison....

 story The Five Doctors
The Five Doctors
The Five Doctors is a special feature-length episode of the British science fiction television series Doctor Who, produced in celebration of the programme's twentieth anniversary. It had its world premiere in the United States, on the Chicago PBS station WTTW and various other PBS member stations...

 (1983), at which Lethbridge-Stewart was also present. The Doctor branded him as "unpromising". He later become the deputy director of The Forge
Forge (Doctor Who)
The Forge is a fictional black operations organisation from the Big Finish Productions audio plays based on the long-running British science fiction television series Doctor Who...

.

The Doctor

Main articles: Second Doctor
Second Doctor
The Second Doctor is the second incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by character actor Patrick Troughton....

, Third Doctor
Third Doctor
The Third Doctor is the third incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by actor Jon Pertwee....

, Fourth Doctor
Fourth Doctor
The Fourth Doctor is the fourth incarnation of the protagonist of the long-running BBC British television science-fiction series Doctor Who....

, Fifth Doctor
Fifth Doctor
The Fifth Doctor is the fifth incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He is portrayed by Peter Davison....

, Seventh Doctor
Seventh Doctor
The Seventh Doctor is the seventh incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by the actor Sylvester McCoy....

, Tenth Doctor
Tenth Doctor
The Tenth Doctor is the tenth incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He is played by David Tennant, who appears in three series, as well as eight specials...

; UNIT's primary Scientific Advisor since his third incarnation was exiled to Earth, the Doctor has maintained a loose affiliation with UNIT in all his subsequent bodies, UNIT personnel respecting and admiring his accomplishments even if some of them fear him.

Bill Filer

Bill Filer, played by Paul Grist, was an American intelligence agent sent to liaise with UNIT about the Master
Master (Doctor Who)
The Master is a recurring character in the British science fiction television series Doctor Who. He is a renegade Time Lord and the archenemy of the Doctor....

. Kidnapped and duplicated by Axos, he managed to escape and help the Doctor and UNIT defeat Axos, in the Third Doctor
Third Doctor
The Third Doctor is the third incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by actor Jon Pertwee....

 serial The Claws of Axos
The Claws of Axos
-Writing:In late 1969, script editor Terrance Dicks contacted new writing duo Bob Baker and Dave Martin after reading a draft script they had sent around the BBC for another production, A Man's Life. After offering the duo a seven-part story in November 1969 for Doctor Whos eighth season, Baker and...

 (1971).

Corporal Forbes

Corporal Forbes, played by George Lee, was killed by an Auton
Auton
The Autons are an artificial life form from the British science fiction television series Doctor Who, and adversaries of the Doctor. First appearing in Jon Pertwee's first serial as the Doctor, Spearhead from Space in 1970, they were the first monsters on the show to be presented in colour.Autons...

 during the Nestene Consciousness's first invasion of Earth, seen in the Third Doctor
Third Doctor
The Third Doctor is the third incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by actor Jon Pertwee....

 serial Spearhead from Space
Spearhead from Space
Spearhead from Space is a serial in the British science fiction television series Doctor Who, which was first broadcast in four weekly parts from 3 January to 24 January 1970. The serial opened Series 7 of the show and was the first to be produced in colour. The serial introduced Jon Pertwee as the...

 (1970).

Major Frost

Major Frost was a high-ranking United States military
United States armed forces
The United States Armed Forces are the military forces of the United States. They consist of the Army, Navy, Marine Corps, Air Force, and Coast Guard.The United States has a strong tradition of civilian control of the military...

 officer
Officer (armed forces)
An officer is a member of an armed force or uniformed service who holds a position of authority. Commissioned officers derive authority directly from a sovereign power and, as such, hold a commission charging them with the duties and responsibilities of a specific office or position...

 called to 10 Downing Street
10 Downing Street
10 Downing Street, colloquially known in the United Kingdom as "Number 10", is the headquarters of Her Majesty's Government and the official residence and office of the First Lord of the Treasury, who is now always the Prime Minister....

 during the crisis surrounding the appearance of aliens in London, seen in Ninth Doctor
Ninth Doctor
The Ninth Doctor is the ninth incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He is played by Christopher Eccleston....

 episode "Aliens of London
Aliens of London
"Aliens of London" is the fourth episode of the first series of the British science fiction television show Doctor Who that was first broadcast on 16 April 2005. The Doctor takes Rose back to 21st century London, just in time to witness a spaceship crashing into the River Thames, triggering a...

" (2005), owing to her expertise regarding aliens. She was killed alongside her colleagues, fellow experts, by the Slitheen
Slitheen
The Slitheen are a family of massive, bipedal extraterrestrials from the British science fiction television series Doctor Who and they are adversaries of the Doctor. They first appeared in the 2005 series episodes "Aliens of London" and "World War Three", and subsequently recur in later episodes of...

, electrocuted by devices planted on their name tags. Only the Doctor survives. Her name, 'Frost', is only given on her name tag and it has led to fan speculation that it is derived from character Muriel Frost
Muriel Frost
Muriel Frost is a fictional character who appeared in the Doctor Who Magazine comic strip based on the long-running British science fiction television series Doctor Who. An officer in the British Army, she worked for UNIT , an international organisation that defends the Earth from alien threats...

, featured in the comic strip in Doctor Who Magazine
Doctor Who Magazine
Doctor Who Magazine is a magazine devoted to the long-running British science fiction television series Doctor Who...

. This argument is fuelled by earlier drafts of the episode's script that had the Doctor refer to her directly as "Muriel Frost". However, in this episode, she is dressed in US military uniform
Military uniform
Military uniforms comprises standardised dress worn by members of the armed forces and paramilitaries of various nations. Military dress and military styles have gone through great changes over the centuries from colourful and elaborate to extremely utilitarian...

. According to the UNIT website set up by the BBC, she was commander of the Geneva EVA Team, although the canonicity of this is unclear.

Jo Grant

Main article: Jo Grant
Jo Grant
Josephine "Jo" Grant is a fictional character played by Katy Manning in the long-running British science fiction television series Doctor Who...

, (Assistant to the Scientific Advisor, the Third Doctor
Third Doctor
The Third Doctor is the third incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by actor Jon Pertwee....

 during her time with UNIT)

Private Steve Gray

Private Gray played by Wesley Theobald, was present during the investigation of the ATMOS corporation in The Sontaran Stratagem
The Sontaran Stratagem
"The Sontaran Stratagem" is the fourth episode of the fourth series of British science fiction television series Doctor Who. It was broadcast on BBC One on 26 April 2008...

 (2008). After stumbling across a Sontaran
Sontaran
The Sontarans are a fictional extraterrestrial race of humanoids from the British science fiction television series Doctor Who, and also seen in spin-off series The Sarah Jane Adventures. They were created by writer Robert Holmes.-Culture:...

 cloning laboratory, both he and Private Carl Harris had their minds altered to obey only the Sontarans, and were sent back into UNIT as double agents. He was described by the Sontaran leader General Staal as smelling of sweat and fear. Once the Sontarans had arrived on Earth attacking in force, he and Harris reported to Commander Skorr for duty – and were casually gunned down.

Grimshaw

Grimshaw was a UNIT soldier saved by Sarah Jane Smith
Sarah Jane Smith
Sarah Jane Smith is a fictional character played by Elisabeth Sladen in the long-running British BBC Television science-fiction series Doctor Who and its spin-offs K-9 and Company and The Sarah Jane Adventures....

, in the Fourth Doctor
Fourth Doctor
The Fourth Doctor is the fourth incarnation of the protagonist of the long-running BBC British television science-fiction series Doctor Who....

 serial Robot
Robot (Doctor Who)
Robot is a serial in the British science fiction television series Doctor Who, which was first broadcast in four weekly parts from 28 December 1974 to 18 January 1975...

 (1975).

Dr. Oliver Harrington

Dr. Oliver Harrington was in charge of UNIT's medical team at the Large Haldron Collider in Geneva during the events of Torchwood audio play Lost Souls.

Private Harris

Private Harris was wounded during the Cybermen invasion of Earth, as seen in the Second Doctor
Second Doctor
The Second Doctor is the second incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by character actor Patrick Troughton....

 serial The Invasion
The Invasion (Doctor Who)
The Invasion is a serial in the British science fiction television series Doctor Who, which was first broadcast in eight weekly parts from 2 November to 21 December 1968...

 (1968).

Private Carl Harris

Private Carl Harris played by Clive Standen
Clive Standen
Clive Standen is an English actor best known for playing Sir Gawain in the Starz series Camelot as well as 'Archer', the brother of Robin Hood in the BBC TV series Robin Hood and Private Carl Harris in the British sci-fi show Doctor Who.-Acting:Standen's first experience of stunts, horse...

, has appeared in 3 episodes of Doctor Who
Doctor Who
Doctor Who is a British science fiction television programme produced by the BBC. The programme depicts the adventures of a time-travelling humanoid alien known as the Doctor who explores the universe in a sentient time machine called the TARDIS that flies through time and space, whose exterior...

 series 4. His first appearance in the 2 part episode ("The Sontaran Stratagem
The Sontaran Stratagem
"The Sontaran Stratagem" is the fourth episode of the fourth series of British science fiction television series Doctor Who. It was broadcast on BBC One on 26 April 2008...

" and "The Poison Sky
The Poison Sky
"The Poison Sky" is the fifth episode of the fourth series of British science fiction television series Doctor Who. It was broadcast on BBC One on 3 May 2008. The episode features both former companion Martha Jones and the alien Sontarans...

") (series 4.4. and 4.5. 2008). He led the UNIT
UNIT
UNIT is a fictional military organisation from the British science fiction television series Doctor Who, Torchwood and The Sarah Jane Adventures...

 operation in to the ATMOS facility and teamed up with Private Gray to secure the basement of the factory where they stumble across a cloning tank (complete with embryonic Clone) and the Sontaran
Sontaran
The Sontarans are a fictional extraterrestrial race of humanoids from the British science fiction television series Doctor Who, and also seen in spin-off series The Sarah Jane Adventures. They were created by writer Robert Holmes.-Culture:...

 leader General Staal. Staal was impressed with Harris's courage, and declared him an "above average soldier" before disparaging Harris' heightist
Heightism
Heightism is prejudice or discrimination based on height. In principle it can refer to treatment of either unusually tall or short people.-Origin of the term:...

 jokes against him and brainwashing Harris to act as a double agent for the Sontarans. He set about capturing Martha Jones
Martha Jones
Martha Jones is a fictional character played by Freema Agyeman in the long-running British science fiction television series Doctor Who and its spin-off series, Torchwood. She is a companion of the Tenth Doctor in Doctor Who, replacing Rose Tyler...

 and assisting Commander Skorr with her cloning and then commandeering the TARDIS
TARDIS
The TARDISGenerally, TARDIS is written in all upper case letters—this convention was popularised by the Target novelisations of the 1970s...

. Still hypnotised, he and Gray later reported to Skorr to fight alongside the Sontarans but were casually gunned down (although their deaths were never shown on screen).

He returned in the episode "Turn Left
Turn Left (Doctor Who)
"Turn Left" is the eleventh episode of the fourth series of British science fiction television series Doctor Who. It was written by showrunner Russell T Davies and broadcast on BBC One on 21 June 2008....

" leading a UNIT
UNIT
UNIT is a fictional military organisation from the British science fiction television series Doctor Who, Torchwood and The Sarah Jane Adventures...

 operation in a parallel universe and announcing the Tenth Doctor
Tenth Doctor
The Tenth Doctor is the tenth incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He is played by David Tennant, who appears in three series, as well as eight specials...

's death during the events of the attempted Racnoss invasion
The Runaway Bride (Doctor Who)
"The Runaway Bride" is a special episode of the long-running British science fiction television series Doctor Who, starring David Tennant as the Tenth Doctor...

, the events of which occurred previous to the Sontaran invasion.

On Page 129 of the reference book The Time Traveller's Almanac, Harris' first name is given as Carl.

Sergeant Hart

Sergeant Hart, played by Richard Steele, was killed by the Silurians
Silurian (Doctor Who)
The Silurians are a fictional race of reptile-like humanoids in the long-running British science fiction television series Doctor Who. The species first appeared in Doctor Who in the 1970 serial Doctor Who and the Silurians...

 in the Third Doctor
Third Doctor
The Third Doctor is the third incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by actor Jon Pertwee....

 serial Doctor Who and the Silurians
Doctor Who and the Silurians
Doctor Who and the Silurians is a serial in the British science fiction television series Doctor Who, which was first broadcast in seven weekly parts from January 31 to March 14, 1970. The story is the first appearance of a recurring family of Earth-dwelling reptiles...

 (1970).

Captain Hawkins

Captain Hawkins, played by Paul Darrow
Paul Darrow
Paul Darrow is an English actor best known for his portrayal of Kerr Avon in the BBC science fiction television series Blake's 7...

, fought against the Silurians
Silurian (Doctor Who)
The Silurians are a fictional race of reptile-like humanoids in the long-running British science fiction television series Doctor Who. The species first appeared in Doctor Who in the 1970 serial Doctor Who and the Silurians...

 before being killed by the Young Silurian when he came to Brigadier Lethbridge-Stewart
Brigadier Lethbridge-Stewart
Brigadier Sir Alistair Gordon Lethbridge-Stewart, generally referred to simply as the Brigadier, is a fictional character in the British science fiction television series Doctor Who, played by Nicholas Courtney...

's rescue in the Third Doctor
Third Doctor
The Third Doctor is the third incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by actor Jon Pertwee....

 serial Doctor Who and the Silurians
Doctor Who and the Silurians
Doctor Who and the Silurians is a serial in the British science fiction television series Doctor Who, which was first broadcast in seven weekly parts from January 31 to March 14, 1970. The story is the first appearance of a recurring family of Earth-dwelling reptiles...

 (1970). According to the Doctor Who: Missing Adventures
Virgin Missing Adventures
The Virgin Missing Adventures were a series of novels from Virgin Publishing based on the British science-fiction television series Doctor Who, which had been cancelled in 1989, featuring stories set between televised episodes of the programme. The novels were published from 1994 to 1997, and...

 novel The Scales of Injustice
The Scales of Injustice
The Scales of Injustice is a Virgin Missing Adventures original novel written by Gary Russell based on the long-running British science fiction television series Doctor Who...

 by Gary Russell
Gary Russell
Gary James Russell is a freelance writer and former child actor. As a writer, he is best known for his work in connection with the television series Doctor Who and its spin-offs in other media...

, his first name is Sam. The canonicity
Canon (fiction)
In the context of a work of fiction, the term canon denotes the material accepted as "official" in a fictional universe's fan base. It is often contrasted with, or used as the basis for, works of fan fiction, which are not considered canonical...

 of spin-off media is unclear.

Sergeant Henderson

Sergeant Henderson, played by Ray Barron, was crushed and turned into compost
Compost
Compost is organic matter that has been decomposed and recycled as a fertilizer and soil amendment. Compost is a key ingredient in organic farming. At its most essential, the process of composting requires simply piling up waste outdoors and waiting for the materials to break down from anywhere...

 by Harrison Chase when he fought against the Krynoid in the Fourth Doctor
Fourth Doctor
The Fourth Doctor is the fourth incarnation of the protagonist of the long-running BBC British television science-fiction series Doctor Who....

 serial The Seeds of Doom
The Seeds of Doom
The Seeds of Doom is a serial in the British science fiction television series Doctor Who, which was first broadcast in six weekly parts from 31 January to 6 March 1976...

 (1976).

Major Husak

Major Husak, played by Paul Tomany, served under Brigadier Bambera during the transporting of the nuclear missile
Nuclear weapons delivery
Nuclear weapons delivery is the technology and systems used to place a nuclear weapon at the position of detonation, on or near its target. Several methods have been developed to carry out this task....

 across Britain
Great Britain
Great Britain or Britain is an island situated to the northwest of Continental Europe. It is the ninth largest island in the world, and the largest European island, as well as the largest of the British Isles...

 and during the battle at Carbury
Carbury
Carbury , also formerly spelt "Carbery", is a village in north-west County Kildare, Ireland. It is situated in the on the R402 regional road between Enfield and Edenderry, near the border with County Offaly...

 against the extra-dimensional forces of Morgaine and Mordred, as seen in the Seventh Doctor
Seventh Doctor
The Seventh Doctor is the seventh incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by the actor Sylvester McCoy....

 serial Battlefield
Battlefield (Doctor Who)
Battlefield is a serial in the British science fiction television series Doctor Who, which was first broadcast in four weekly parts from September 6 to September 27, 1989. It was the last appearance of Brigadier Lethbridge-Stewart in Doctor Who....

 (1989). He was responsible for evacuating civilians from the area. He was Czechoslovak
Czechoslovakism
Czechoslovakism is a term for the political and cultural conception of a unified Czechoslovak nation and disapproval of differentiating separate nations of Czechs and Slovaks. This nation was made ideologically for a newborn country, which needed to identify itself on national level...

 by birth.

Sally Jacobs

Sally Jacobs, played by Anita Briem
Anita Briem
Anita Briem is an Icelandic actress. She is known for her role as Jane Seymour on The Tudors and her role as Hanna in Journey to the Center of the Earth.-Personal life:...

, was a technician
Technician
A technician is a worker in a field of technology who is proficient in the relevant skills and techniques, with a relatively practical understanding of the theoretical principles. Experienced technicians in a specific tool domain typically have intermediate understanding of theory and expert...

 on duty in the UNIT facility in the Tower of London
Tower of London
Her Majesty's Royal Palace and Fortress, more commonly known as the Tower of London, is a historic castle on the north bank of the River Thames in central London, England. It lies within the London Borough of Tower Hamlets, separated from the eastern edge of the City of London by the open space...

 during the Sycorax invasion, seen in the Tenth Doctor
Tenth Doctor
The Tenth Doctor is the tenth incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He is played by David Tennant, who appears in three series, as well as eight specials...

 episode "The Christmas Invasion
The Christmas Invasion
"The Christmas Invasion" is a 60-minute special episode of the British science fiction television series Doctor Who. It is Christmas, but there is little cause for celebration as planet Earth is invaded by aliens known as the Sycorax...

" (2005). She reported that the Sycorax signal came from 5000 miles above the Earth, not from Mars, which led to the realisation that there was a ship in orbit
Orbit
In physics, an orbit is the gravitationally curved path of an object around a point in space, for example the orbit of a planet around the center of a star system, such as the Solar System...

. She had A+ blood
Blood type
A blood type is a classification of blood based on the presence or absence of inherited antigenic substances on the surface of red blood cells . These antigens may be proteins, carbohydrates, glycoproteins, or glycolipids, depending on the blood group system...

 which meant she succumbed to the Sycorax mind control
Mind control
Mind control refers to a process in which a group or individual "systematically uses unethically manipulative methods to persuade others to conform to the wishes of the manipulator, often to the detriment of the person being manipulated"...

. As a result of this, she stood poised to jump off the roof of the Tower of London. When the Doctor presses a glowing red button aboard the Sycorax ship, the humans affected are released from the Sycorax mind-control and come down from the roof safely, but confused, with no memory of how they got up there.

Private Ross Jenkins

Ross Jenkins, codename "Greyhound 40", appeared in the Tenth Doctor
Tenth Doctor
The Tenth Doctor is the tenth incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He is played by David Tennant, who appears in three series, as well as eight specials...

 episodes "The Sontaran Stratagem
The Sontaran Stratagem
"The Sontaran Stratagem" is the fourth episode of the fourth series of British science fiction television series Doctor Who. It was broadcast on BBC One on 26 April 2008...

" and "The Poison Sky
The Poison Sky
"The Poison Sky" is the fifth episode of the fourth series of British science fiction television series Doctor Who. It was broadcast on BBC One on 3 May 2008. The episode features both former companion Martha Jones and the alien Sontarans...

" (2008). He was portrayed by Christian Cooke
Christian Cooke
Christian Louis Cooke is an English actor, known for playing Luke Kirkwall in Where the Heart Is, Luke Rutherford in Demons, Dorian Gaudain in Trinity, Freddie in Cemetery Junction and Len Matthews in the Channel 4 mini series The Promise.-Background:Cooke was born in Leeds, West Yorkshire, where...

. Ross was first seen talking to another UNIT soldier when Mace ordered him to take the Doctor to the Rattigan Academy. He was shot and killed by the Sontaran
Sontaran
The Sontarans are a fictional extraterrestrial race of humanoids from the British science fiction television series Doctor Who, and also seen in spin-off series The Sarah Jane Adventures. They were created by writer Robert Holmes.-Culture:...

 Commander Skorr .

Private Johnson

Private Johnson, played by Christian Cooke
Christian Cooke
Christian Louis Cooke is an English actor, known for playing Luke Kirkwall in Where the Heart Is, Luke Rutherford in Demons, Dorian Gaudain in Trinity, Freddie in Cemetery Junction and Len Matthews in the Channel 4 mini series The Promise.-Background:Cooke was born in Leeds, West Yorkshire, where...

, was revealed to be one of Reegan's henchmen in the Third Doctor
Third Doctor
The Third Doctor is the third incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by actor Jon Pertwee....

 serial The Ambassadors of Death
The Ambassadors of Death
The Ambassadors of Death is a serial in the British science fiction television series Doctor Who, which was first broadcast in seven weekly parts from March 21 to May 2, 1970.-Plot:...

 (1970). According to the Doctor Who: Missing Adventures
Virgin Missing Adventures
The Virgin Missing Adventures were a series of novels from Virgin Publishing based on the British science-fiction television series Doctor Who, which had been cancelled in 1989, featuring stories set between televised episodes of the programme. The novels were published from 1994 to 1997, and...

 novel The Scales of Injustice
The Scales of Injustice
The Scales of Injustice is a Virgin Missing Adventures original novel written by Gary Russell based on the long-running British science fiction television series Doctor Who...

 by Gary Russell
Gary Russell
Gary James Russell is a freelance writer and former child actor. As a writer, he is best known for his work in connection with the television series Doctor Who and its spin-offs in other media...

, his first name is Jeff. The canonicity
Canon (fiction)
In the context of a work of fiction, the term canon denotes the material accepted as "official" in a fictional universe's fan base. It is often contrasted with, or used as the basis for, works of fan fiction, which are not considered canonical...

 of spin-off media is unclear.

Dr. Martha Jones

Main article: Martha Jones
Martha Jones
Martha Jones is a fictional character played by Freema Agyeman in the long-running British science fiction television series Doctor Who and its spin-off series, Torchwood. She is a companion of the Tenth Doctor in Doctor Who, replacing Rose Tyler...

 (UNIT's Medical Officer/the Doctor's companion; has resigned following the events of "Journey's End
Journey's End (Doctor Who)
"Journey's End" is the thirteenth episode of the fourth series of British science fiction television series Doctor Who first broadcast on BBC One on 5 July 2008. It is the second episode of a two-part crossover story featuring the characters of spin-off shows Torchwood and The Sarah Jane...

")

Major Kilburn

Major Kilburn appeared in Enemy of the Bane
Enemy of the Bane
Enemy of the Bane is a two-part story from the Doctor Who spin-off The Sarah Jane Adventures. It was broadcast on CBBC on 1 and 8 December 2008, and is the final serial of the second series...

 in The Sarah Jane Adventures
The Sarah Jane Adventures
The Sarah Jane Adventures is a British science fiction television series, produced by BBC Cymru Wales for CBBC, created by Russell T Davies and starring Elisabeth Sladen...

. However, he was actually a Bane who wanted to capture and eat Mrs Wormwood (Whether there was ever a real Major Kilburn was never established).

Colonel Tia Karim

Colonel Karim played by Laila Rouass
Laila Rouass
Laila Abdesselam Rouass is a British actress. She is best known for her role as Amber Gates in the British television drama Footballers' Wives and as Sarah Page in the third season of Primeval .-Career:...

, appeared in The Sarah Jane Adventures
The Sarah Jane Adventures
The Sarah Jane Adventures is a British science fiction television series, produced by BBC Cymru Wales for CBBC, created by Russell T Davies and starring Elisabeth Sladen...

 story Death of the Doctor
Death of the Doctor
Death of the Doctor is a two-part story of The Sarah Jane Adventures which was broadcast on CBBC on 25 and 26 October 2010. It is the third story of the fourth series. This episode features the return of Katy Manning to the role of Jo Grant and a guest appearance by Matt Smith as the Eleventh Doctor...

. She delivered the unfortunate news to Sarah Jane, that the Doctor had been killed. She was in conjunction with the Shansheeths for the Doctor's funeral at the UNIT base in Mount Snowdon. She's killed when the memory weave explodes.

Private Latimer

Private Latimer, played by David Simeon, was on duty during the Inferno drilling crisis, as seen in the Third Doctor
Third Doctor
The Third Doctor is the third incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by actor Jon Pertwee....

 serial Inferno
Inferno (Doctor Who)
Don Houghton came to Terrence Dicks with an idea for the story based on the real life Project Mohole. A smaller budget for the serial drove the idea of a parallel world, where the studio could use the same actors in multiple roles...

 (1970).

Flight Lieutenant Françoise Lavel

Flight Lieutenant Françoise Lavel, played by Dorota Rae, flew Brigadier Lethbridge-Stewart
Brigadier Lethbridge-Stewart
Brigadier Sir Alistair Gordon Lethbridge-Stewart, generally referred to simply as the Brigadier, is a fictional character in the British science fiction television series Doctor Who, played by Nicholas Courtney...

 (Ret'd), in a UNIT helicopter
Helicopter
A helicopter is a type of rotorcraft in which lift and thrust are supplied by one or more engine-driven rotors. This allows the helicopter to take off and land vertically, to hover, and to fly forwards, backwards, and laterally...

 from his home to Carbury
Carbury
Carbury , also formerly spelt "Carbery", is a village in north-west County Kildare, Ireland. It is situated in the on the R402 regional road between Enfield and Edenderry, near the border with County Offaly...

, scene of the battle against the extra-dimensional forces of Morgaine and Mordred, as seen in the Seventh Doctor
Seventh Doctor
The Seventh Doctor is the seventh incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by the actor Sylvester McCoy....

 serial Battlefield
Battlefield (Doctor Who)
Battlefield is a serial in the British science fiction television series Doctor Who, which was first broadcast in four weekly parts from September 6 to September 27, 1989. It was the last appearance of Brigadier Lethbridge-Stewart in Doctor Who....

 (1989). Morgaine crashed the helicopter and captured Lavel, stealing her memories, then later killing her senselessly.

Colonel Mace

Colonel Mace is the commanding officer of a large contingent of UNIT (the Unified Intelligence Taskforce) in 2009. Mace first appeared in "The Sontaran Stratagem
The Sontaran Stratagem
"The Sontaran Stratagem" is the fourth episode of the fourth series of British science fiction television series Doctor Who. It was broadcast on BBC One on 26 April 2008...

" / "The Poison Sky
The Poison Sky
"The Poison Sky" is the fifth episode of the fourth series of British science fiction television series Doctor Who. It was broadcast on BBC One on 3 May 2008. The episode features both former companion Martha Jones and the alien Sontarans...

" (2008). He originally seemed to view the Doctor as a superior officer, saluting him and taking his orders; however, the two clashed and Mace began to be irritated by the Doctor's manner and repeated casual dismissals of him and UNIT, while simultaneously irritating the Doctor through his overtly militaristic manner and insistence on a combat solution to the situation brought on by the Sontarans (Although both agreed that the presence of 'Sir Alistair
Brigadier Lethbridge-Stewart
Brigadier Sir Alistair Gordon Lethbridge-Stewart, generally referred to simply as the Brigadier, is a fictional character in the British science fiction television series Doctor Who, played by Nicholas Courtney...

' would be of great assistance at this time).

Despite repeatedly being told UNIT could not face the Sontaran
Sontaran
The Sontarans are a fictional extraterrestrial race of humanoids from the British science fiction television series Doctor Who, and also seen in spin-off series The Sarah Jane Adventures. They were created by writer Robert Holmes.-Culture:...

s, he organised the troops for an assault on a Sontaran position, telling the Doctor he wasn't listening any more, and rallied the troops with a speech about how they would show "every passing alien with an axe to grind" to not mock them and see "what the human race is capable of". He even manages to impress the Doctor by having the Valiant clear away the poison gas surrounding the factory. He then successfully leads the recapture of the area, managing to personally kill the Sontaran second-in-command, Commander Skorr.

Although Colonel Mace's first name was never mentioned on screen, the letter initial of A can be seen on the I.D. Card
Identity document
An identity document is any document which may be used to verify aspects of a person's personal identity. If issued in the form of a small, mostly standard-sized card, it is usually called an identity card...

 displayed on his uniform. On Page 129 of the reference book The Time Traveller's Almanac, it says that the A stands for Alan.

In the Torchwood
Torchwood
Torchwood is a British science fiction television programme created by Russell T Davies. The series is a spin-off from Davies's 2005 revival of the long-running science fiction programme Doctor Who. The show has shifted its broadcast channel each series to reflect its growing audience, moving from...

 serial Children of Earth, John Frobisher and Colonel Oduya discuss Mace's posting in Vancouver
Vancouver
Vancouver is a coastal seaport city on the mainland of British Columbia, Canada. It is the hub of Greater Vancouver, which, with over 2.3 million residents, is the third most populous metropolitan area in the country,...

. However, as this conversation is a swift change of subject to avoid classified information being heard by Lois Habiba, it is not clear if there is any truth in it.

Captain Erisa Magambo

Captain Erisa Magambo was the UNIT officer in Donna Noble's
Donna Noble
Donna Noble is a fictional character played by Catherine Tate in the long-running British science fiction television series Doctor Who. A secretary from Chiswick, London, she is a companion of the Tenth Doctor, appearing in one scene at the end of the final episode of the 2006 series,...

 parallel universe, working with Rose Tyler
Rose Tyler
Rose Marion Tyler is a fictional character portrayed by Billie Piper in the long-running British science fiction television series Doctor Who, and was created by series producer Russell T Davies...

 to restore the correct universe in the 2008 episode "Turn Left
Turn Left (Doctor Who)
"Turn Left" is the eleventh episode of the fourth series of British science fiction television series Doctor Who. It was written by showrunner Russell T Davies and broadcast on BBC One on 21 June 2008....

". Her UNIT team helped construct a time machine
Time travel
Time travel is the concept of moving between different points in time in a manner analogous to moving between different points in space. Time travel could hypothetically involve moving backward in time to a moment earlier than the starting point, or forward to the future of that point without the...

 from the TARDIS
TARDIS
The TARDISGenerally, TARDIS is written in all upper case letters—this convention was popularised by the Target novelisations of the 1970s...

 to send Donna back into the past.

Magambo returned in the 2009 episode "Planet of the Dead
Planet of the Dead
"Planet of the Dead" is the first 2009 special of the British science fiction television series Doctor Who that was simultaneously broadcast on BBC One and BBC HD on 11 April 2009. It was the second of five special episodes broadcast throughout 2009 and early 2010, which served as lead actor...

", this time on non-parallel Earth, as a senior officer of a UNIT patrol. She was leading a team of UNIT soldiers and Doctor Malcolm Taylor who were investigating a wormhole which was, unbeknownst to them, created by the deadly Swarm. Taylor and Magambo aided the Doctor's attempt to return to planet Earth from the Earth side of the wormhole, however when the Doctor refused to give full details of the impending Swarm she considered shutting the wormhole down to save the planet. Malcolm refused to shut the wormhole without the Doctor coming back through and resisted even under the threat of Magambo shooting him. Yet the Doctor was able to come back through with the aid of the modified 200 Bus and Magambo led her troops in destroying the three Swarm aliens that came through the wormhole before its closure. After thanking the Doctor and bringing his TARDIS back to him (apparently it had been found in the gardens of Buckingham Palace
Buckingham Palace
Buckingham Palace, in London, is the principal residence and office of the British monarch. Located in the City of Westminster, the palace is a setting for state occasions and royal hospitality...

), she commented on having to clear up the mess, to which the Doctor refused to help in the paperwork.

Captain Jimmy Munro

Captain Jimmy Munro, played by John Breslin, was Brigadier Lethbridge-Stewart
Brigadier Lethbridge-Stewart
Brigadier Sir Alistair Gordon Lethbridge-Stewart, generally referred to simply as the Brigadier, is a fictional character in the British science fiction television series Doctor Who, played by Nicholas Courtney...

's captain during the first Nestene
Auton
The Autons are an artificial life form from the British science fiction television series Doctor Who, and adversaries of the Doctor. First appearing in Jon Pertwee's first serial as the Doctor, Spearhead from Space in 1970, they were the first monsters on the show to be presented in colour.Autons...

 invasion of Earth
Earth
Earth is the third planet from the Sun, and the densest and fifth-largest of the eight planets in the Solar System. It is also the largest of the Solar System's four terrestrial planets...

, as seen in Third Doctor
Third Doctor
The Third Doctor is the third incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by actor Jon Pertwee....

 serial Spearhead from Space
Spearhead from Space
Spearhead from Space is a serial in the British science fiction television series Doctor Who, which was first broadcast in four weekly parts from 3 January to 24 January 1970. The serial opened Series 7 of the show and was the first to be produced in colour. The serial introduced Jon Pertwee as the...

 (1970). He cordoned off Oxley Woods after the second fall of Nestene 'meteorite
Meteorite
A meteorite is a natural object originating in outer space that survives impact with the Earth's surface. Meteorites can be big or small. Most meteorites derive from small astronomical objects called meteoroids, but they are also sometimes produced by impacts of asteroids...

s' and was the first to encounter the TARDIS
TARDIS
The TARDISGenerally, TARDIS is written in all upper case letters—this convention was popularised by the Target novelisations of the 1970s...

 and the Third Doctor.

Corporal Nutting

Corporal Nutting, played by Alan Mason, set up the explosives that destroyed the Silurian
Silurian (Doctor Who)
The Silurians are a fictional race of reptile-like humanoids in the long-running British science fiction television series Doctor Who. The species first appeared in Doctor Who in the 1970 serial Doctor Who and the Silurians...

 bases in Wenley Moor, in the Third Doctor
Third Doctor
The Third Doctor is the third incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by actor Jon Pertwee....

 serial Doctor Who and the Silurians
Doctor Who and the Silurians
Doctor Who and the Silurians is a serial in the British science fiction television series Doctor Who, which was first broadcast in seven weekly parts from January 31 to March 14, 1970. The story is the first appearance of a recurring family of Earth-dwelling reptiles...

 (1970).

Private Ogden

Private Ogden, played by George Bryson, fought during the supposed 'dinosaur
Dinosaur
Dinosaurs are a diverse group of animals of the clade and superorder Dinosauria. They were the dominant terrestrial vertebrates for over 160 million years, from the late Triassic period until the end of the Cretaceous , when the Cretaceous–Paleogene extinction event led to the extinction of...

 invasion', as seen in the Third Doctor
Third Doctor
The Third Doctor is the third incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by actor Jon Pertwee....

 serial Invasion of the Dinosaurs
Invasion of the Dinosaurs
Invasion of the Dinosaurs is a serial in the British science fiction television series Doctor Who, which was first broadcast in six weekly parts from 12 January to 16 February 1974.-Synopsis:...

 (1974).

Colonel Oduya

Colonel Augustus Oduya, played by Charles Abomeli, appears in the Torchwood
Torchwood
Torchwood is a British science fiction television programme created by Russell T Davies. The series is a spin-off from Davies's 2005 revival of the long-running science fiction programme Doctor Who. The show has shifted its broadcast channel each series to reflect its growing audience, moving from...

 serial Children of Earth. In the first part, he meets with civil servant John Frobisher to announce suspicions of an alien invasion by the 456. He correctly deduced that if UNIT had pieced the situation together, then Torchwood
Torchwood Institute
The Torchwood Institute is a fictional secret organization from the British science fiction television series Doctor Who and its spin-off series Torchwood. It was established in 1879 by Queen Victoria after the events of "Tooth and Claw". Its prime directive, is to defend the earth against...

 also must have done so as well. He met with the Prime Minister as well as the interview with the 456 and, along with UNIT soldiers, witnessed the latter's death.

Sergeant Osgood

Sergeant Osgood, played by Alec Linstead, served in Devil's End, during the Master
Master (Doctor Who)
The Master is a recurring character in the British science fiction television series Doctor Who. He is a renegade Time Lord and the archenemy of the Doctor....

's interference there, as seen in the Third Doctor
Third Doctor
The Third Doctor is the third incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by actor Jon Pertwee....

 story The Dæmons
The Dæmons
The Dæmons is a serial in the British science fiction television series Doctor Who, which was first broadcast in five weekly parts from May 22 to June 19, 1971.-Plot:...

 (1971). He fought against Azal and Bok. He had the unenviable task of trying to build a device designed by the Doctor to be used against Azal. According to the Doctor Who: Missing Adventures
Virgin Missing Adventures
The Virgin Missing Adventures were a series of novels from Virgin Publishing based on the British science-fiction television series Doctor Who, which had been cancelled in 1989, featuring stories set between televised episodes of the programme. The novels were published from 1994 to 1997, and...

 novel The Eye of the Giant
The Eye of the Giant
The Eye of the Giant is an original novel written by Christopher Bulis and based on the long-running British science fiction television series Doctor Who. It features the Third Doctor, Liz and UNIT. It takes place prior to the Missing Adventure The Scales of Injustice by Gary Russell.-External...

 by Christopher Bulis
Christopher Bulis
Christopher Bulis is a writer best known for his work on various Doctor Who spin-offs. He is one of the most prolific authors to write for the various ranges of spin-offs from the BBC Television series Doctor Who, with twelve novels to his name, and between 1993 and 2000 he had at least one Doctor...

, his first name is Tom. The canonicity
Canon (fiction)
In the context of a work of fiction, the term canon denotes the material accepted as "official" in a fictional universe's fan base. It is often contrasted with, or used as the basis for, works of fan fiction, which are not considered canonical...

 of spin-off media is unclear.

Corporal Palmer

Corporal Palmer, played by Denys Palmer, fought against Omega
Omega (Doctor Who)
Omega is a fictional character from the long-running British science fiction television series, Doctor Who. In the context of the series, Omega is known as one of the founding fathers of the Time Lords of the planet Gallifrey, and is a revered figure in Time Lord history together with the equally...

's Gel Guards in the Third Doctor
Third Doctor
The Third Doctor is the third incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by actor Jon Pertwee....

 serial The Three Doctors (1973). This may be the same character as the Corporal named in the novelisation of Terror of the Zygons
Terror of the Zygons
Terror of the Zygons is a serial in the British science fiction television series Doctor Who, which was first broadcast in four weekly parts from 30 August to 20 September 1975...

, according to The Universal Databank by Jean-Marc Lofficier
Jean-Marc Lofficier
Jean-Marc Lofficier is a French author of books about films and television programs, as well as numerous comic books and translations of a number of animation screenplays. He usually collaborates with his wife, Randy Lofficier .-Biography:Jean-Marc Lofficier was born in Toulon, France in 1954...

.

Private Parker

Private Parker, played by James Clayton, was on duty during the incident involving three alien 'ambassadors', as seen in the Third Doctor serial The Ambassadors of Death
The Ambassadors of Death
The Ambassadors of Death is a serial in the British science fiction television series Doctor Who, which was first broadcast in seven weekly parts from March 21 to May 2, 1970.-Plot:...

 (1970).

Private Perkins

Private Perkins, played by Stacy Davies, was killed during the Cybermen
Cyberman
The Cybermen are a fictional race of cyborgs who are amongst the most persistent enemies of the Doctor in the British science fiction television series, Doctor Who. Cybermen were originally a wholly organic species of humanoids originating on Earth's twin planet Mondas that began to implant more...

 invasion, as seen in the Second Doctor
Second Doctor
The Second Doctor is the second incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by character actor Patrick Troughton....

 serial The Invasion
The Invasion (Doctor Who)
The Invasion is a serial in the British science fiction television series Doctor Who, which was first broadcast in eight weekly parts from 2 November to 21 December 1968...

 (1968).

Captain Marian Price

Captain Marian Price first appeared in the background in "The Sontaran Stratagem
The Sontaran Stratagem
"The Sontaran Stratagem" is the fourth episode of the fourth series of British science fiction television series Doctor Who. It was broadcast on BBC One on 26 April 2008...

" and was introduced fully in "The Poison Sky
The Poison Sky
"The Poison Sky" is the fifth episode of the fourth series of British science fiction television series Doctor Who. It was broadcast on BBC One on 3 May 2008. The episode features both former companion Martha Jones and the alien Sontarans...

". She was in charge of monitoring systems and reports on how the planet was coping under the Sontaran
Sontaran
The Sontarans are a fictional extraterrestrial race of humanoids from the British science fiction television series Doctor Who, and also seen in spin-off series The Sarah Jane Adventures. They were created by writer Robert Holmes.-Culture:...

 gas, and controlled the launching of UNIT-coordinated nuclear weaponry. After the Doctor cleared the atmosphere with an atmospheric converter, she kisses Colonel Mace in excitement, only to remember herself afterward and awkwardly turn away. Like Colonel Mace she salutes the Doctor
Doctor (Doctor Who)
The Doctor is the central character in the long-running BBC television science-fiction series Doctor Who, and has also featured in two cinema feature films, a vast range of spin-off novels, audio dramas and comic strips connected to the series....

 upon meeting him. Her collar dogs indicate that she is a member of the Royal Engineers
Royal Engineers
The Corps of Royal Engineers, usually just called the Royal Engineers , and commonly known as the Sappers, is one of the corps of the British Army....

.

Radio Operator

A Radio Operator, played by Gypsie Kemp, appeared in the Third Doctor
Third Doctor
The Third Doctor is the third incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by actor Jon Pertwee....

 story Day of the Daleks
Day of the Daleks
Day of the Daleks is a serial in the British science fiction television series Doctor Who, which was first broadcast in four weekly parts from 1 January to 22 January 1972.-Synopsis:...

 (1972). (According to the Doctor Who: Missing Adventures
Virgin Missing Adventures
The Virgin Missing Adventures were a series of novels from Virgin Publishing based on the British science-fiction television series Doctor Who, which had been cancelled in 1989, featuring stories set between televised episodes of the programme. The novels were published from 1994 to 1997, and...

 novel The Scales of Injustice
The Scales of Injustice
The Scales of Injustice is a Virgin Missing Adventures original novel written by Gary Russell based on the long-running British science fiction television series Doctor Who...

 by Gary Russell
Gary Russell
Gary James Russell is a freelance writer and former child actor. As a writer, he is best known for his work in connection with the television series Doctor Who and its spin-offs in other media...

, her name is Maisie Hawke and her rank is Corporal. The canonicity
Canon (fiction)
In the context of a work of fiction, the term canon denotes the material accepted as "official" in a fictional universe's fan base. It is often contrasted with, or used as the basis for, works of fan fiction, which are not considered canonical...

 of spin-off media is unclear.

Lieutenant Richards

Lieutenant Richards served under Brigadier Bambera whilst transporting a nuclear missile
Nuclear weapons delivery
Nuclear weapons delivery is the technology and systems used to place a nuclear weapon at the position of detonation, on or near its target. Several methods have been developed to carry out this task....

 across Britain
Great Britain
Great Britain or Britain is an island situated to the northwest of Continental Europe. It is the ninth largest island in the world, and the largest European island, as well as the largest of the British Isles...

. When the battle against the extra-dimensional forces of Morgaine and Mordred erupted at Carbury
Carbury
Carbury , also formerly spelt "Carbery", is a village in north-west County Kildare, Ireland. It is situated in the on the R402 regional road between Enfield and Edenderry, near the border with County Offaly...

, as seen in the Seventh Doctor
Seventh Doctor
The Seventh Doctor is the seventh incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by the actor Sylvester McCoy....

 serial, Battlefield
Battlefield (Doctor Who)
Battlefield is a serial in the British science fiction television series Doctor Who, which was first broadcast in four weekly parts from September 6 to September 27, 1989. It was the last appearance of Brigadier Lethbridge-Stewart in Doctor Who....

 (1989), Richards was heading the Salamander 6-0 convoy. She was killed by the sorceress, Morgaine.

Private Robins

Private Robins, played by Harry Swift, was mentally perturbed by fighting the Silurians
Silurian (Doctor Who)
The Silurians are a fictional race of reptile-like humanoids in the long-running British science fiction television series Doctor Who. The species first appeared in Doctor Who in the 1970 serial Doctor Who and the Silurians...

, as seen in the Third Doctor
Third Doctor
The Third Doctor is the third incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by actor Jon Pertwee....

 story Doctor Who and the Silurians
Doctor Who and the Silurians
Doctor Who and the Silurians is a serial in the British science fiction television series Doctor Who, which was first broadcast in seven weekly parts from January 31 to March 14, 1970. The story is the first appearance of a recurring family of Earth-dwelling reptiles...

 (1970). Robins committed suicide by jumping into a chasm
Rift
In geology, a rift or chasm is a place where the Earth's crust and lithosphere are being pulled apart and is an example of extensional tectonics....

. According to the Doctor Who Missing Adventures
Virgin Missing Adventures
The Virgin Missing Adventures were a series of novels from Virgin Publishing based on the British science-fiction television series Doctor Who, which had been cancelled in 1989, featuring stories set between televised episodes of the programme. The novels were published from 1994 to 1997, and...

 novel The Scales of Injustice
The Scales of Injustice
The Scales of Injustice is a Virgin Missing Adventures original novel written by Gary Russell based on the long-running British science fiction television series Doctor Who...

 by Gary Russell
Gary Russell
Gary James Russell is a freelance writer and former child actor. As a writer, he is best known for his work in connection with the television series Doctor Who and its spin-offs in other media...

, his first name was Steve. (The canonicity
Canon (fiction)
In the context of a work of fiction, the term canon denotes the material accepted as "official" in a fictional universe's fan base. It is often contrasted with, or used as the basis for, works of fan fiction, which are not considered canonical...

 of spin-off media, however is unclear.)

Major-General Rutlidge

Major-General Rutlidge, played by Edward Dentith, was a Minister responsible for supervising Brigadier Lethbridge-Stewart
Brigadier Lethbridge-Stewart
Brigadier Sir Alistair Gordon Lethbridge-Stewart, generally referred to simply as the Brigadier, is a fictional character in the British science fiction television series Doctor Who, played by Nicholas Courtney...

's UNIT operations on British soil at the Ministry of Defence
Defence minister
A defence minister is a person in a cabinet position in charge of a Ministry of Defence, which regulates the armed forces in some sovereign nations...

 and was seen in the Second Doctor
Second Doctor
The Second Doctor is the second incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by character actor Patrick Troughton....

 serial The Invasion
The Invasion (Doctor Who)
The Invasion is a serial in the British science fiction television series Doctor Who, which was first broadcast in eight weekly parts from 2 November to 21 December 1968...

 (1968). He was an old military school
Military academy
A military academy or service academy is an educational institution which prepares candidates for service in the officer corps of the army, the navy, air force or coast guard, which normally provides education in a service environment, the exact definition depending on the country concerned.Three...

 friend of the Brigadier. Tobias Vaughn took control of his mind and used him to prevent UNIT interfering with the Cybermen
Cyberman
The Cybermen are a fictional race of cyborgs who are amongst the most persistent enemies of the Doctor in the British science fiction television series, Doctor Who. Cybermen were originally a wholly organic species of humanoids originating on Earth's twin planet Mondas that began to implant more...

 invasion of Earth. He was forced to kill himself by Vaughn, when he tried to rebel.

General Sanchez

General Sanchez, played by Michael Brandon
Michael Brandon
Michael Brandon is an American actor who resides in the United Kingdom and United States.-Life and career:Brandon was born Michael Feldman in Brooklyn, New York to Miriam and Sol Feldman...

, was an American Lieutenant General appearing in The Stolen Earth
The Stolen Earth
"The Stolen Earth" is the twelfth episode of the fourth series and the 750th overall episode of the British science fiction television series Doctor Who. The episode was written by show runner and head writer Russell T Davies and is the first of a two-part crossover story; the concluding episode is...

 (2008). He commanded UNIT's Manhattan
Manhattan
Manhattan is the oldest and the most densely populated of the five boroughs of New York City. Located primarily on the island of Manhattan at the mouth of the Hudson River, the boundaries of the borough are identical to those of New York County, an original county of the state of New York...

 base, including oversight of Project Indigo, and authorised Martha Jones
Martha Jones
Martha Jones is a fictional character played by Freema Agyeman in the long-running British science fiction television series Doctor Who and its spin-off series, Torchwood. She is a companion of the Tenth Doctor in Doctor Who, replacing Rose Tyler...

 to use the Sontaran
Sontaran
The Sontarans are a fictional extraterrestrial race of humanoids from the British science fiction television series Doctor Who, and also seen in spin-off series The Sarah Jane Adventures. They were created by writer Robert Holmes.-Culture:...

 based technology to find the Doctor
Doctor (Doctor Who)
The Doctor is the central character in the long-running BBC television science-fiction series Doctor Who, and has also featured in two cinema feature films, a vast range of spin-off novels, audio dramas and comic strips connected to the series....

. He also entrusted her with one of five Osterhagen Keys for use in case that search failed. Following Martha's escape it was heavily implied that he was exterminated by the Dalek
Dalek
The Daleks are a fictional extraterrestrial race of mutants from the British science fiction television series Doctor Who. Within the series, Daleks are cyborgs from the planet Skaro, created by the scientist Davros during the final years of a thousand-year war against the Thals...

s. His shoulder patch shows that he is from the 82nd Airborne Division.

Sergeants

A Sergeant, played by Derek Ware, appeared in the Third Doctor
Third Doctor
The Third Doctor is the third incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by actor Jon Pertwee....

 serial The Ambassadors of Death
The Ambassadors of Death
The Ambassadors of Death is a serial in the British science fiction television series Doctor Who, which was first broadcast in seven weekly parts from March 21 to May 2, 1970.-Plot:...

 (1970). Ware went on to play Private Wyatt in the next serial Inferno
Inferno (Doctor Who)
Don Houghton came to Terrence Dicks with an idea for the story based on the real life Project Mohole. A smaller budget for the serial drove the idea of a parallel world, where the studio could use the same actors in multiple roles...

 (1970) and Pigbin Josh in the later Third Doctor serial The Claws of Axos
The Claws of Axos
-Writing:In late 1969, script editor Terrance Dicks contacted new writing duo Bob Baker and Dave Martin after reading a draft script they had sent around the BBC for another production, A Man's Life. After offering the duo a seven-part story in November 1969 for Doctor Whos eighth season, Baker and...

 (1971).

A Sergeant, played by Simon Legree, appeared in the Third Doctor
Third Doctor
The Third Doctor is the third incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by actor Jon Pertwee....

 serial The Time Monster
The Time Monster
The Time Monster is a serial in the British science fiction television series Doctor Who, which was first broadcast in six weekly parts from 20 May to 24 June 1972.- Synopsis :...

 who was the senion noncom of the platoon that accompanied Captain Yates.(1972).

Dr. Elizabeth Shaw

Main article: Liz Shaw, (originally drafted as Scientific Advisor, she accepted the position of Assistant when the Third Doctor
Third Doctor
The Third Doctor is the third incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by actor Jon Pertwee....

 took the job of Scientific Advisor)

Sarah Jane Smith

Main article: Sarah Jane Smith
Sarah Jane Smith
Sarah Jane Smith is a fictional character played by Elisabeth Sladen in the long-running British BBC Television science-fiction series Doctor Who and its spin-offs K-9 and Company and The Sarah Jane Adventures....

, (by association with the Third
Third Doctor
The Third Doctor is the third incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by actor Jon Pertwee....

 and Fourth Doctor
Fourth Doctor
The Fourth Doctor is the fourth incarnation of the protagonist of the long-running BBC British television science-fiction series Doctor Who....

s)

Soldiers

Several unnamed soldiers have appeared in the series, played by: Max Faulkner, (The Ambassadors of Death
The Ambassadors of Death
The Ambassadors of Death is a serial in the British science fiction television series Doctor Who, which was first broadcast in seven weekly parts from March 21 to May 2, 1970.-Plot:...

) (Faulkner later played Corporal Adams  The Android Invasion
The Android Invasion
The Android Invasion is a serial in the British science fiction television series Doctor Who, which was first broadcast in four weekly parts from 22 November to 13 December 1975. It marks the last appearance of UNIT Character Sergeant Benton...

); Les Conrad, (Terror of the Autons
Terror of the Autons
Terror of the Autons is a serial in the British science fiction television series Doctor Who, broadcast in four weekly parts from 2 to 23 January 1971...

); Pat Gorman, (Planet of the Spiders
Planet of the Spiders
Planet of the Spiders is a serial in the British science fiction television series Doctor Who, which was first broadcast in six weekly parts from May 4 to June 8, 1974. It was Jon Pertwee's last serial as the Doctor and marks the first, uncredited appearance of Tom Baker in the role. It also marks...

, the novelisation of which refers to him as Corporal Hodges) (Gorman had appeared in a prior serial, Invasion of the Dinosaurs
Invasion of the Dinosaurs
Invasion of the Dinosaurs is a serial in the British science fiction television series Doctor Who, which was first broadcast in six weekly parts from 12 January to 16 February 1974.-Synopsis:...

 as a UNIT Corporal); Brian Fellows (Robot
Robot (Doctor Who)
Robot is a serial in the British science fiction television series Doctor Who, which was first broadcast in four weekly parts from 28 December 1974 to 18 January 1975...

); and Peter Symonds (Terror of the Zygons
Terror of the Zygons
Terror of the Zygons is a serial in the British science fiction television series Doctor Who, which was first broadcast in four weekly parts from 30 August to 20 September 1975...

). Another soldier is seen in The Time Warrior
The Time Warrior
The Time Warrior is a serial in the British science fiction television series Doctor Who, which was first broadcast in four weekly parts from December 15, 1973 to January 5, 1974. This serial introduced Elisabeth Sladen as new companion Sarah Jane Smith. It also marked the debut of the Sontarans...

.

Sir John Sudbury

Sir John Sudbury was a high-ranking British civil servant with C19, a department in charge of the UNIT liaison. He vouched for the Doctor after a Concorde
Concorde
Aérospatiale-BAC Concorde was a turbojet-powered supersonic passenger airliner, a supersonic transport . It was a product of an Anglo-French government treaty, combining the manufacturing efforts of Aérospatiale and the British Aircraft Corporation...

 disappeared, in the Fifth Doctor
Fifth Doctor
The Fifth Doctor is the fifth incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He is portrayed by Peter Davison....

 story Time-Flight
Time-Flight
Time-Flight is a serial in the British science fiction television series Doctor Who, which was first broadcast in four twice-weekly parts from 22 March to 30 March 1982...

 (1982).

Private Stevens

Private Stevens, played by Leslie Bates, was a UNIT soldier posted at Llanfairfach in Wales
Wales
Wales is a country that is part of the United Kingdom and the island of Great Britain, bordered by England to its east and the Atlantic Ocean and Irish Sea to its west. It has a population of three million, and a total area of 20,779 km²...

 during the incident with the Giant Maggots, as seen in the Third Doctor
Third Doctor
The Third Doctor is the third incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by actor Jon Pertwee....

 serial The Green Death
The Green Death
The Green Death is a serial in the British science fiction television series Doctor Who, first broadcast in six weekly parts from 19 May 1973 to 23 June 1973. It was the last to feature Katy Manning as companion Jo Grant in Doctor Who...

 (1973).

Surgeon-Lieutenant Harry Sullivan

Main article: Harry Sullivan
Harry Sullivan
Harry Sullivan is a fictional character from the British science-fiction television series Doctor Who and is a companion of the Fourth Doctor...

, (UNIT's Medical Officer)

Malcolm Taylor

Malcolm Taylor, played by Lee Evans
Lee Evans (comedian)
Lee Evans is an English comedian, writer, actor and musician.-Personal life:Lee Evans was born in Avonmouth, Bristol, England to an Irish mother and a Welsh father, Dave Evans, a nightclub performer. He left Bristol at the age of 13 and then went to The Billericay School in Billericay, Essex...

, is UNIT
UNIT
UNIT is a fictional military organisation from the British science fiction television series Doctor Who, Torchwood and The Sarah Jane Adventures...

's Welsh
Welsh people
The Welsh people are an ethnic group and nation associated with Wales and the Welsh language.John Davies argues that the origin of the "Welsh nation" can be traced to the late 4th and early 5th centuries, following the Roman departure from Britain, although Brythonic Celtic languages seem to have...

 scientific advisor working under Captain Erisa Magambo in Tenth Doctor
Tenth Doctor
The Tenth Doctor is the tenth incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He is played by David Tennant, who appears in three series, as well as eight specials...

 story "Planet of the Dead
Planet of the Dead
"Planet of the Dead" is the first 2009 special of the British science fiction television series Doctor Who that was simultaneously broadcast on BBC One and BBC HD on 11 April 2009. It was the second of five special episodes broadcast throughout 2009 and early 2010, which served as lead actor...

", successfully devising a means so intelligent it impressed the Doctor himself of analysing and closing a wormhole that the Doctor had travelled through while riding in a bus.

Technician

A Technician, played by Ellis Jones, appeared in the Third Doctor
Third Doctor
The Third Doctor is the third incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by actor Jon Pertwee....

 serial Spearhead from Space
Spearhead from Space
Spearhead from Space is a serial in the British science fiction television series Doctor Who, which was first broadcast in four weekly parts from 3 January to 24 January 1970. The serial opened Series 7 of the show and was the first to be produced in colour. The serial introduced Jon Pertwee as the...

 (1970).

Field-Marshal Thatcher

Field-Marshal Thatcher was based in Geneva
Geneva
Geneva In the national languages of Switzerland the city is known as Genf , Ginevra and Genevra is the second-most-populous city in Switzerland and is the most populous city of Romandie, the French-speaking part of Switzerland...

 during the Second Doctor
Second Doctor
The Second Doctor is the second incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by character actor Patrick Troughton....

 serial The Invasion
The Invasion (Doctor Who)
The Invasion is a serial in the British science fiction television series Doctor Who, which was first broadcast in eight weekly parts from 2 November to 21 December 1968...

 (1968). When Major-General Rutledge, under Tobias Vaughn's duress, tried to prevent UNIT from interfering with the Cybermen
Cyberman
The Cybermen are a fictional race of cyborgs who are amongst the most persistent enemies of the Doctor in the British science fiction television series, Doctor Who. Cybermen were originally a wholly organic species of humanoids originating on Earth's twin planet Mondas that began to implant more...

 invasion of Earth, Brigadier Lethbridge-Stewart
Brigadier Lethbridge-Stewart
Brigadier Sir Alistair Gordon Lethbridge-Stewart, generally referred to simply as the Brigadier, is a fictional character in the British science fiction television series Doctor Who, played by Nicholas Courtney...

 threatened to go over Rutledge's head, directly to Thatcher.

Corporal Tracy

Corporal Tracy, played by Geoffrey Cheshire, fought against the Cybermen
Cyberman
The Cybermen are a fictional race of cyborgs who are amongst the most persistent enemies of the Doctor in the British science fiction television series, Doctor Who. Cybermen were originally a wholly organic species of humanoids originating on Earth's twin planet Mondas that began to implant more...

 in the Second Doctor
Second Doctor
The Second Doctor is the second incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by character actor Patrick Troughton....

 serial The Invasion
The Invasion (Doctor Who)
The Invasion is a serial in the British science fiction television series Doctor Who, which was first broadcast in eight weekly parts from 2 November to 21 December 1968...

 (1968). According to the Doctor Who: Missing Adventures
Virgin Missing Adventures
The Virgin Missing Adventures were a series of novels from Virgin Publishing based on the British science-fiction television series Doctor Who, which had been cancelled in 1989, featuring stories set between televised episodes of the programme. The novels were published from 1994 to 1997, and...

 novel The Scales of Injustice
The Scales of Injustice
The Scales of Injustice is a Virgin Missing Adventures original novel written by Gary Russell based on the long-running British science fiction television series Doctor Who...

 by Gary Russell
Gary Russell
Gary James Russell is a freelance writer and former child actor. As a writer, he is best known for his work in connection with the television series Doctor Who and its spin-offs in other media...

, his first name is Jack. The canonicity
Canon (fiction)
In the context of a work of fiction, the term canon denotes the material accepted as "official" in a fictional universe's fan base. It is often contrasted with, or used as the basis for, works of fan fiction, which are not considered canonical...

 of spin-off media is unclear.

Captain Jimmy Turner

Captain Jimmy Turner, played by Robert Sidaway, was Brigadier Lethbridge-Stewart
Brigadier Lethbridge-Stewart
Brigadier Sir Alistair Gordon Lethbridge-Stewart, generally referred to simply as the Brigadier, is a fictional character in the British science fiction television series Doctor Who, played by Nicholas Courtney...

's Captain during the Cybermen
Cyberman
The Cybermen are a fictional race of cyborgs who are amongst the most persistent enemies of the Doctor in the British science fiction television series, Doctor Who. Cybermen were originally a wholly organic species of humanoids originating on Earth's twin planet Mondas that began to implant more...

 invasion of Earth, as seen in the Second Doctor
Second Doctor
The Second Doctor is the second incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by character actor Patrick Troughton....

 serial The Invasion
The Invasion (Doctor Who)
The Invasion is a serial in the British science fiction television series Doctor Who, which was first broadcast in eight weekly parts from 2 November to 21 December 1968...

 (1968). He fell in love with Isobel Watkins, a former model and would-be photographer who became involved when the Doctor and his companions visited her house.

Rose Tyler

Rose Tyler, Dame Rose of the Powell Estate, is an old companion of the Ninth
Ninth Doctor
The Ninth Doctor is the ninth incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He is played by Christopher Eccleston....

 and Tenth Doctor
Tenth Doctor
The Tenth Doctor is the tenth incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He is played by David Tennant, who appears in three series, as well as eight specials...

s. In Turn Left
Turn Left (Doctor Who)
"Turn Left" is the eleventh episode of the fourth series of British science fiction television series Doctor Who. It was written by showrunner Russell T Davies and broadcast on BBC One on 21 June 2008....

, she is seen in an alternate timeline, working with Captain Erisa Magambo to send Donna Noble
Donna Noble
Donna Noble is a fictional character played by Catherine Tate in the long-running British science fiction television series Doctor Who. A secretary from Chiswick, London, she is a companion of the Tenth Doctor, appearing in one scene at the end of the final episode of the 2006 series,...

 back in time to restore the original timeline. Her character develops remarkably from a ditzy shopgirl enamoured with the Doctor, into a confident, capable warrior and leader.

UNIT Personnel

Unit Personnel, played by Iain Smith and Tessa Shaw, appeared in the Third Doctor
Third Doctor
The Third Doctor is the third incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by actor Jon Pertwee....

 serial Spearhead from Space
Spearhead from Space
Spearhead from Space is a serial in the British science fiction television series Doctor Who, which was first broadcast in four weekly parts from 3 January to 24 January 1970. The serial opened Series 7 of the show and was the first to be produced in colour. The serial introduced Jon Pertwee as the...

 (1970).

Unit Personnel, played by Leon Maybank and Barbara Chambers, appeared in the Third Doctor
Third Doctor
The Third Doctor is the third incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by actor Jon Pertwee....

 serial Day of the Daleks
Day of the Daleks
Day of the Daleks is a serial in the British science fiction television series Doctor Who, which was first broadcast in four weekly parts from 1 January to 22 January 1972.-Synopsis:...

 (1972).

Private Upton

Private Upton died fighting the Silurians
Silurian (Doctor Who)
The Silurians are a fictional race of reptile-like humanoids in the long-running British science fiction television series Doctor Who. The species first appeared in Doctor Who in the 1970 serial Doctor Who and the Silurians...

 in the Third Doctor
Third Doctor
The Third Doctor is the third incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by actor Jon Pertwee....

 serial Doctor Who and the Silurians
Doctor Who and the Silurians
Doctor Who and the Silurians is a serial in the British science fiction television series Doctor Who, which was first broadcast in seven weekly parts from January 31 to March 14, 1970. The story is the first appearance of a recurring family of Earth-dwelling reptiles...

 (1970).

Sergeant Walters

Sergeant Walters, played by James Thornhill, fought against the Cybermen
Cyberman
The Cybermen are a fictional race of cyborgs who are amongst the most persistent enemies of the Doctor in the British science fiction television series, Doctor Who. Cybermen were originally a wholly organic species of humanoids originating on Earth's twin planet Mondas that began to implant more...

 under Brigadier Lethbridge-Stewart
Brigadier Lethbridge-Stewart
Brigadier Sir Alistair Gordon Lethbridge-Stewart, generally referred to simply as the Brigadier, is a fictional character in the British science fiction television series Doctor Who, played by Nicholas Courtney...

 in the Second Doctor
Second Doctor
The Second Doctor is the second incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by character actor Patrick Troughton....

 serial The Invasion
The Invasion (Doctor Who)
The Invasion is a serial in the British science fiction television series Doctor Who, which was first broadcast in eight weekly parts from 2 November to 21 December 1968...

 (1968).

Major Walton

Major Walton fought against the Silurians
Silurian (Doctor Who)
The Silurians are a fictional race of reptile-like humanoids in the long-running British science fiction television series Doctor Who. The species first appeared in Doctor Who in the 1970 serial Doctor Who and the Silurians...

 in the Third Doctor
Third Doctor
The Third Doctor is the third incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by actor Jon Pertwee....

 serial Doctor Who and the Silurians
Doctor Who and the Silurians
Doctor Who and the Silurians is a serial in the British science fiction television series Doctor Who, which was first broadcast in seven weekly parts from January 31 to March 14, 1970. The story is the first appearance of a recurring family of Earth-dwelling reptiles...

 (1970).

Private Wright

Private Wright, played by Derek Pollitt, was killed by the Silurians
Silurian (Doctor Who)
The Silurians are a fictional race of reptile-like humanoids in the long-running British science fiction television series Doctor Who. The species first appeared in Doctor Who in the 1970 serial Doctor Who and the Silurians...

 in Gallery 5 under Wenley Moor in the Third Doctor
Third Doctor
The Third Doctor is the third incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by actor Jon Pertwee....

 serial Doctor Who and the Silurians
Doctor Who and the Silurians
Doctor Who and the Silurians is a serial in the British science fiction television series Doctor Who, which was first broadcast in seven weekly parts from January 31 to March 14, 1970. The story is the first appearance of a recurring family of Earth-dwelling reptiles...

 (1970).

Private Wyatt

Private Wyatt, played by Derek Ware, was posted at the Inferno project, as seen in the Third Doctor
Third Doctor
The Third Doctor is the third incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by actor Jon Pertwee....

 serial Inferno
Inferno (Doctor Who)
Don Houghton came to Terrence Dicks with an idea for the story based on the real life Project Mohole. A smaller budget for the serial drove the idea of a parallel world, where the studio could use the same actors in multiple roles...

 (1970). He mutated
Mutation
In molecular biology and genetics, mutations are changes in a genomic sequence: the DNA sequence of a cell's genome or the DNA or RNA sequence of a virus. They can be defined as sudden and spontaneous changes in the cell. Mutations are caused by radiation, viruses, transposons and mutagenic...

 into a Primord and later fell to his death. Ware had played a Sergeant in the previous serial The Ambassadors of Death
The Ambassadors of Death
The Ambassadors of Death is a serial in the British science fiction television series Doctor Who, which was first broadcast in seven weekly parts from March 21 to May 2, 1970.-Plot:...

 (1970) and later played Pigbin Josh in the Third Doctor serial The Claws of Axos
The Claws of Axos
-Writing:In late 1969, script editor Terrance Dicks contacted new writing duo Bob Baker and Dave Martin after reading a draft script they had sent around the BBC for another production, A Man's Life. After offering the duo a seven-part story in November 1969 for Doctor Whos eighth season, Baker and...

 (1971).

Sergeant Zbrigniev

Sergeant Zbrigniev, played by Robert Jezek
Robert Jezek
Robert Jezek is a Canadian film and television actor based in the United Kingdom.-Career:He is known for playing companion Frobisher in a range of Doctor Who audio dramas produced by Big Finish Productions and based on the BBC television series Doctor Who...

, was Brigadier Bambera's sergeant in the Seventh Doctor
Seventh Doctor
The Seventh Doctor is the seventh incarnation of the protagonist of the long-running BBC television science-fiction series Doctor Who. He was portrayed by the actor Sylvester McCoy....

 serial Battlefield
Battlefield (Doctor Who)
Battlefield is a serial in the British science fiction television series Doctor Who, which was first broadcast in four weekly parts from September 6 to September 27, 1989. It was the last appearance of Brigadier Lethbridge-Stewart in Doctor Who....

 (1989). He was involved in transporting a nuclear missile
Nuclear weapons delivery
Nuclear weapons delivery is the technology and systems used to place a nuclear weapon at the position of detonation, on or near its target. Several methods have been developed to carry out this task....

 across Britain
Great Britain
Great Britain or Britain is an island situated to the northwest of Continental Europe. It is the ninth largest island in the world, and the largest European island, as well as the largest of the British Isles...

 and in fighting the extra-dimensional forces of Morgaine and Mordred in Carbury
Carbury
Carbury , also formerly spelt "Carbery", is a village in north-west County Kildare, Ireland. It is situated in the on the R402 regional road between Enfield and Edenderry, near the border with County Offaly...

. He served under Brigadier Lethbridge-Stewart
Brigadier Lethbridge-Stewart
Brigadier Sir Alistair Gordon Lethbridge-Stewart, generally referred to simply as the Brigadier, is a fictional character in the British science fiction television series Doctor Who, played by Nicholas Courtney...

and knew about the Doctor's ability to regenerate, but it is not clear in which other stories he was present. He comments that U.N.I.T soldiers say when ever the Doctor turns up "all hell breaks loose."
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