The fourth season of Psych

Psych

Psych is an American detective comedy-drama television series created by Steve Franks and broadcast on USA Network. It stars James Roday as Shawn Spencer, a young crime consultant for the Santa Barbara Police Department whose "heightened observational skills" and impressive detective instincts...

originally aired in the United States on USA Network

USA Network

USA Network is an American cable television channel launched in 1971. Once a minor player in basic cable, the network has steadily gained popularity because of breakout hits like Monk, Psych, Burn Notice, Royal Pains, Covert Affairs, White Collar, Monday Night RAW, Suits, and reruns of the various...

 from August 7, 2009 to March 10, 2010. It consisted of 16 episodes. James Roday

James Roday

James Roday is an American actor and screenwriter. He currently stars on the USA Network series Psych as hyper-observant consultant detective and fake psychic Shawn Spencer.-Personal life:...

, Dulé Hill

Dulé Hill

Karim Dulé Hill is an American actor and tap dancer. He is best known for his roles as personal presidential aide Charlie Young on the NBC drama television series The West Wing, and as pharmaceutical salesman-private detective Burton "Gus" Guster on the USA Network television comedy-drama Psych...

, Timothy Omundson

Timothy Omundson

Timothy Michael Omundson is an American actor perhaps most notable for his supporting roles as Sean Potter on the CBS television series Judging Amy, Eli on the syndicated series Xena: Warrior Princess, and as Carlton Lassiter in the hit USA Network series Psych...

, Maggie Lawson

Maggie Lawson

Margaret "Maggie" Lawson is an American actress who is best known for her role as Juliet O'Hara in the TV show Psych...

, Corbin Bernsen, and Kirsten Nelson

Kirsten Nelson

Kirsten Nelson is an American actress. Born in Oklahoma, though raised in Chicago, Nelson attended Northwestern University and became a founding member of Chicago's Roadworks Theatre Ensemble before moving to Los Angeles. She currently stars in the USA Network dramedy Psych, where her character,...

 reprised their roles as the main characters. James Roday portrayed Shawn Spencer

Shawn Spencer

Shawn Spencer is a fictional character on the American television dramedy Psych played by American actor James Roday. Taking advantage of his eidetic memory, he poses as a psychic and works as a private detective who often consults with the Santa Barbara Police Department...

, a fake psychic

Psychic

A psychic is a person who professes an ability to perceive information hidden from the normal senses through extrasensory perception , or is said by others to have such abilities. It is also used to describe theatrical performers who use techniques such as prestidigitation, cold reading, and hot...

 detective who periodically consults for the Santa Barbara

Santa Barbara, California

Santa Barbara is the county seat of Santa Barbara County, California, United States. Situated on an east-west trending section of coastline, the longest such section on the West Coast of the United States, the city lies between the steeply-rising Santa Ynez Mountains and the Pacific Ocean...

 police department. A DVD of the season was released on July 13, 2010.

Cast

James Roday

James Roday

James Roday is an American actor and screenwriter. He currently stars on the USA Network series Psych as hyper-observant consultant detective and fake psychic Shawn Spencer.-Personal life:...

 continued to play fake psychic detective Shawn Spencer

Shawn Spencer

Shawn Spencer is a fictional character on the American television dramedy Psych played by American actor James Roday. Taking advantage of his eidetic memory, he poses as a psychic and works as a private detective who often consults with the Santa Barbara Police Department...

. Burton "Gus" Guster

Burton Guster

Burton "Gus" Guster is a fictional character on the USA Network television comedy Psych played by American actor Dulé Hill. He functions as the straight man for Shawn Spencer's antics, and provides sobering advice, steady support, and friendship...

 returned, portrayed by Dulé Hill

Dulé Hill

Karim Dulé Hill is an American actor and tap dancer. He is best known for his roles as personal presidential aide Charlie Young on the NBC drama television series The West Wing, and as pharmaceutical salesman-private detective Burton "Gus" Guster on the USA Network television comedy-drama Psych...

. Timothy Omundson

Timothy Omundson

Timothy Michael Omundson is an American actor perhaps most notable for his supporting roles as Sean Potter on the CBS television series Judging Amy, Eli on the syndicated series Xena: Warrior Princess, and as Carlton Lassiter in the hit USA Network series Psych...

 returned as Head Detective Carlton "Lassie" Lassiter

Carlton Lassiter

Head Detective Carlton Lassiter is a character in the American dramedy Psych played by Timothy Omundson.-Fictional biography:Carlton Lassiter is a ten-year veteran of the Santa Barbara Police Department, and the youngest Head Detective ever named to the force. He also has a Masters Degree in...

, while Maggie Lawson

Maggie Lawson

Margaret "Maggie" Lawson is an American actress who is best known for her role as Juliet O'Hara in the TV show Psych...

 continued to portray Juliet "Jules" O'Hara

Juliet O'Hara

Junior Detective Juliet "Jules" O'Hara is a character on the American comedy Psych played by Maggie Lawson.-Fictional biography:Juliet O'Hara first appears in the show's second episode, "Spellingg Bee", as a recently-transferred junior detective from Miami Beach where she attended the University of...

. Corbin Bernsen

Corbin Bernsen

Corbin Dean Bernsen is an American actor and director, known for his work on television. He is best known for his roles as divorce attorney Arnold Becker on the NBC drama series L.A. Law, and as retired police detective Henry Spencer on the USA Network comedy-drama series Psych...

 was kept on as Henry Spencer

Henry Spencer (Psych character)

Henry William Spencer is a fictional character on the American television dramedy Psych. He is played by American actor Corbin Bernsen.-Fictional biography:...

. Kirsten Nelson

Kirsten Nelson

Kirsten Nelson is an American actress. Born in Oklahoma, though raised in Chicago, Nelson attended Northwestern University and became a founding member of Chicago's Roadworks Theatre Ensemble before moving to Los Angeles. She currently stars in the USA Network dramedy Psych, where her character,...

 continued in her role as SBPD Chief Karen Vick

Karen Vick

Chief Karen C. Vick is a character on the American comedy detective drama Psych played by Kirsten Nelson.-Fictional biography:...

.

Sage Brocklebank

Sage Brocklebank

Sage Brocklebank is a Canadian actor.Brocklebank was born in Vancouver, B.C. He has played Brian in How I Married My High School Crush. Among other roles, he plays police officer Buzz McNab, a supporting role on the comedy-drama Psych. Brocklebank is 6' 5" tall and is also a professional poker...

 continued to portray Officer Buzz McNab

Buzz McNab

Officer Buzz McNab is a fictional character in the American criminal dramedy television series Psych, portrayed by Canadian actor Sage Brocklebank.-Fictional biography:McNab is an officer of the Santa Barbara Police Department...

. Liam James

Liam James

Liam James is a Canadian child actor. He is best known for his role as Noah Curtis in 2009 film 2012 and for portraying young Shawn Spencer on the USA Network TV series Psych....

 and Carlos McCullers II continued in their roles as young Shawn and Gus, respectively. Rachael Leigh Cook

Rachael Leigh Cook

Rachael Leigh Cook is an American actress, known for her role in the romantic comedy She's All That and her This is Your Brain on Drugs public service announcement.-Early life:...

 appeared in four episodes as Abigail Lytar. Kurt Fuller

Kurt Fuller

Kurt Fuller is an American character actor. He has appeared in a number of television, film, and stage projects. He graduated from Lincoln High School in Stockton, California in 1971.-Career:...

 made his Psych debut as Woody the Coroner, who shares many character traits with Shawn, in three episodes. Ally Sheedy

Ally Sheedy

Alexandra Elizabeth "Ally" Sheedy is an American film and stage actress, as well as the author of two books. She is best known for her roles in the Brat Pack films The Breakfast Club and St. Elmo's Fire.-Early life:...

 made her second appearance as Mr. Yang, becoming the first villain on the show to appear in more than one episode. Jimmi Simpson

Jimmi Simpson

James Raymond "Jimmi" Simpson is an American actor. He has had recurring roles on the television shows 24, It's Always Sunny in Philadelphia, Psych, My Name Is Earl, CSI: Crime Scene Investigation and The Late Show with David Letterman...

 made his final appearance as Mary Lightly, and Christopher Turner entered as the chaotic, mysterious Mr. Yin, another deranged killer. Cary Elwes

Cary Elwes

Ivan Simon Cary Elwes , known professionally as Cary Elwes, is an English actor. The son of Dominick Elwes and Tessa Georgina Kennedy, Elwes acted in off-Broadway plays during college and moved to the United States in the early 1980s. He is known for his role as Westley in the cult classic The...

 made his first appearance as art thief Pierre Desperaux, and Peter Oldring

Peter Oldring

Peter Oldring is a Canadian TV actor and comedian.- Biography :In addition to performing with The Second City improv group in Toronto and Los Angeles, Oldring has appeared on Canadian television. He was also a regular cast member of the redneck-themed sketch comedy series Blue Collar TV...

 and Ed Lauter

Ed Lauter

Edward Lauter is an American actor. He has appeared in numerous movies and was a stand up comic before getting into acting.Lauter was born in Long Beach, Long Island, New York...

 appeared as Canadian officers. Ray Wise

Ray Wise

Raymond Nicolas "Ray" Wise is an American actor, known for his roles as Leland Palmer in Twin Peaks, as Leon C. Nash, right-hand henchman to villain Clarence Boddicker in the science fiction classic RoboCop, and recently as the Devil in the CW television series Reaper.-Life and career:Wise was...

 made his first appearance as Father Westley. Jaleel White

Jaleel White

Jaleel Ahmad White is an American actor and screenwriter. He is best known for his role as Steve Urkel from Family Matters and voicing the character of Sonic the Hedgehog and other characters for Sonic the Hedgehog media....

 and Kenan Thompson

Kenan Thompson

Kenan Thompson is an American actor and comedian. He is best known for his work as a cast member of NBC's long-running sketch comedy series Saturday Night Live...

 made their first appearance as Gus's former band mates. Additionally, almost every episode featured a prominent guest star. Among them were Christine Baranski

Christine Baranski

Christine Jane Baranski is an American stage and screen actress, and is perhaps best known for her Emmy Award winning portrayal as "Maryanne Thorpe" in the sitcom Cybill, and her Emmy nominated portrayal of "Diane Lockhart" in The Good Wife...

, Jim Beaver

Jim Beaver

James Norman "Jim" Beaver, Jr. is an American stage, film, and television actor, playwright, screenwriter, and film historian...

, Josh Braaten

Josh Braaten

Josh Braaten is an American actor. He grew up in Blooming Prairie, Minnesota and graduated from Blooming Prairie High in 1995...

, James Brolin

James Brolin

James Brolin is an American actor, producer and director, best known for his roles in soap operas, movies, sitcoms, and television. He is the father of actor Josh Brolin and husband of singer/actress Barbra Streisand.-Early life:...

, John Cena

John Cena

John Felix Anthony Cena is an American professional wrestler, actor, rapper, and television personality. He is currently signed to WWE as a member of its WWE Raw brand....

, Jay Chandrasekhar

Jay Chandrasekhar

Jayanth Jambulingam "Jay" Chandrasekhar is a Tamil American actor, comedian, writer, and film director with the comedy team Broken Lizard.-Life and career:...

, Tim Conlon

Tim Conlon

Tim Conlon, born in Sudbury, Ontario, Canada, is an actor who starred as Jack Slayton in the short lived comedy Wild Oats. In 1997, Conlon starred as David Ruby in the USA Network sitcom Lost on Earth. He has appeared in numerous films including 1989's Prom Night III: The Last Kiss...

, Bruce Davison

Bruce Davison

Bruce Davison is an American actor and director.-Early life:Davison was born in Philadelphia, Pennsylvania, the son of Marian E. , a secretary, and Clair W. Davison, a musician, architect, and draftsman for the Army Engineers. His parents divorced when he was three years old. He was raised by his...

, Cullen Douglas

Cullen Douglas

Cullen Douglas is an American film and television actor.He is best known for his television guest appearances on shows such as Prison Break, Kenan & Kel, CSI, Private Practice, and, most notably, as Mr. Arnold, "The Birdman," on Grey's Anatomy...

, Deanna Dunagan

Deanna Dunagan

Deanna Dunagan is a Chicago based American actress. Although Dunagan has appeared on television and in films, she is most admired for her work as a stage actress. She is best known for her Tony Award-winning portrayal of Violet Weston in Tracy Letts' August: Osage County.-Early life and...

, Miguel Ferrer

Miguel Ferrer

Miguel José Ferrer is an American actor and voice actor who is often cast as a villain. His notable roles include Bob Morton, a supporting character in RoboCop , the short tempered FBI agent Albert Rosenfield in Twin Peaks, and Dr...

, Azita Ghanizada

Azita Ghanizada

Azita Ghanizada is an Afghan American actress in the United States who has appeared in a number of television series. Born in Kabul, Afghanistan, her family fled her native country when she was still a baby in the wake of the Soviet war in Afghanistan. They travelled to the United States and were...

, Ernie Grunwald

Ernie Grunwald

Ernie Grunwald is a Canadian-born actor who has had made guest appearances in a number of notable television series. He has also had recurring roles on, One on One, The Suite Life of Zack & Cody , and Two of a Kind opposite Mary-Kate and Ashley Olsen...

, John Hawkes

John Hawkes (actor)

John Hawkes is an American film and television actor. He is known for his portrayal of the merchant Sol Star on the HBO series Deadwood, Dustin Powers on Eastbound & Down, and his Academy Award-nominated performance as the menacing backwoods meth addict Teardrop in Winter's Bone.-Life and...

, Sandra Hess

Sandra Hess

Sandra Hess is an actress best known for her role as Sonya Blade in the film Mortal Kombat: Annihilation.-Biography:Hess began modeling and working on television commercials when she was 15...

, Michael Hogan, Scott Holroyd

Scott Holroyd

-Biography:Holroyd was born and raised in Columbia, South Carolina. In 1993 he graduated from AC Flora High School . He then went on to the University of South Carolina and graduated from there in 1998, where he received a B.A...

, Steve Howey

Steve Howey (actor)

Steven Michael Robert "Steve" Howey is an American film and television actor, best known for his role as Van Montgomery in the television series Reba. His roles also include the films Supercross, DOA: Dead or Alive, and Bride Wars...

, Stacy Keibler

Stacy Keibler

Stacy Keibler is an American actress, model, and former professional wrestler and valet, best known for her work with World Championship Wrestling and World Wrestling Entertainment ....

, Alexandra Krosney

Alexandra Krosney

Alexandra Krosney is an American film, stage and television actress.-Career:Krosney appeared in the Disney Channel Original Movie Read It and Weep as Harmony. She also has appeared in the Nickelodeon Network's Shredderman Rules and The Last Day Of Summer as Luke's sister, Diana...

, Stephan Lang

Stephen Lang (actor)

Stephen Lang is an American actor and playwright. He started in theatre on Broadway but is well known for his film portrayals of Stonewall Jackson in Gods and Generals and George Pickett in Gettysburg , as well as for his 2009 roles as Colonel Miles Quaritch in Avatar and as Texan lawman Charles...

, Joshua Malina

Joshua Malina

Joshua Charles Malina is an American film and stage actor. He is perhaps most famous for portraying Will Bailey on the NBC drama The West Wing and Jeremy Goodwin on Sports Night.-Personal life:...

, David Naughton

David Naughton (actor)

David Walsh Naughton is an American actor and singer best known for his starring roles in the 1981 horror film An American Werewolf in London, the 1980 Walt Disney comedy, Midnight Madness, the 1984 comedies Hot Dog.....

, Judd Nelson

Judd Nelson

Judd Asher Nelson is an American actor. He is best known for being a member of the "Brat Pack" in the mid-1980s; and for his roles as John Bender in The Breakfast Club, Alec Newbary in St...

, Larisa Oleynik

Larisa Oleynik

Larisa Romanovna Oleynik is an American actress. She came to fame in the mid-1990s, after starring in the title role of the popular television series, The Secret World of Alex Mack, and has also appeared in theatrical films, including The Baby-Sitters Club and 10 Things I Hate About You...

, Robert Patrick

Robert Patrick

Robert Hammond Patrick, Jr. is an American actor, known for his leading and supporting roles in a number of films and television shows....

, Sendhil Ramamurthy

Sendhil Ramamurthy

Sendhil Ramamurthy is an American actor. He is best known for the role as geneticist Mohinder Suresh in the NBC drama Heroes.-Personal life:...

, Lisa Ray

Lisa Ray

Lisa Ray , born 4 April 1972, is a Canadian actress and former model.-Early life:Lisa Ray was born in Toronto to a Bengali Indian father and a Polish mother and grew up in the suburb of Etobicoke...

, Michael Rooker

Michael Rooker

Michael Rooker is an American actor.-Early life:Rooker, who has eight brothers and sisters, was born in Jasper, Alabama and studied at the Goodman School of Drama in Chicago, where he moved with his mother and siblings at the age of thirteen, after his parents divorced.-Movie career:He made his...

, Jeri Ryan

Jeri Ryan

Jeri Lynn Zimmermann Ryan is an American actress best known for her roles as the liberated Borg, Seven of Nine, on Star Trek: Voyager; Tara Cole on Leverage; and Veronica "Ronnie" Cooke on Boston Public. She was also a regular on the science fiction show Dark Skies and the legal drama series...

, Chris Sarandon

Chris Sarandon

Chris Sarandon is an American actor who was married to actress Susan Sarandon between 1968 and 1979. He is best known for playing Prince Humperdinck in the film The Princess Bride, the vampire Jerry Dandridge in Fright Night and Detective Mike Norris in the first entry of the Child's Play series,...

, Sarah Shahi

Sarah Shahi

Aahoo Jahansouz "Sarah" Shahi is an American actress and a former NFL Cheerleader. She is probably best known for starring in The L Word as Carmen de la Pica Morales and in Life as Detective Dani Reese...

, Craig Sheffer

Craig Sheffer

Craig Eric Sheffer is an American film and television actor. He is known for his leading role as Norman Maclean in the film A River Runs Through It and of Keith Scott on the television series One Tree Hill.-Early life:...

, Tony Todd

Tony Todd

Anthony T. "Tony" Todd is an American actor and movie producer, known for his height of 6'5", and deep voice. He is well known for playing the Candyman in the horror movie franchise of the same name, William Bludworth in Final Destination and for guest starring roles on numerous television...

, Beverley Turner

Beverley Turner

Beverley Turner is a British television and radio presenter.-Personal:She is the sister of swimming champion Adrian Turner and wife of Olympic rower James Cracknell with whom she has a son, Croyde, born in October 2003, and two daughters, Kiki, born in March 2009 and Trixie, born April 2011...

, Arnold Vosloo

Arnold Vosloo

Arnold Vosloo is a South African American actor, best-known for playing Imhotep in The Mummy and its 2001 sequel The Mummy Returns, as well as the role of the superhero Darkman in the sequel Darkman II: The Return of Durant and its 1996 sequel, Darkman III: Die Darkman Die...

, and Thomas F. Wilson

Thomas F. Wilson

Thomas F. Wilson is an American actor, writer, musician, painter, voice-over artist and stand-up comedian. He is best known for playing Biff Tannen in the Back to the Future trilogy and Coach Ben Fredricks on NBC's Freaks and Geeks.-Early life:Thomas Francis Wilson, Jr. was...

.

Episodes

No. in series	No. in season	Title	Directed by	Written by	U.S. viewers (million)	Original air date