The sixth season of Criminal Minds

Criminal Minds

Criminal Minds is an American police procedural drama that premiered September 22, 2005, on CBS. The series follows a team of profilers from the FBI's Behavioral Analysis Unit based in Quantico, Virginia. The BAU is part of the FBI National Center for the Analysis of Violent Crime...

premiered on CBS

CBS

CBS Broadcasting Inc. is a major US commercial broadcasting television network, which started as a radio network. The name is derived from the initials of the network's former name, Columbia Broadcasting System. The network is sometimes referred to as the "Eye Network" in reference to the shape of...

 on September 22, 2010 and ended May 18, 2011. A.J. Cook

A. J. Cook (actress)

Andrea Joy "A.J." Cook-Andersen is a Canadian actress best known for her role as Supervisory Special Agent Jennifer "JJ" Jareau in the CBS crime drama Criminal Minds...

 appeared as a series regular for two episodes, and as a special guest star in two episodes, due to contract negotiations. Paget Brewster

Paget Brewster

Paget Valerie Brewster is an American actress. She is currently known for playing Special Agent Emily Prentiss on the CBS crime drama Criminal Minds. In June 2010, it was said that her role on Criminal Minds would be reduced in the sixth season. In March 2011, Brewster's character left the series...

 was a regular for eighteen episodes, but returned in the seventh season premiere. Rachel Nichols

Rachel Nichols (actress)

Rachel Emily Nichols is an American actress and model. Nichols began modeling while attending Columbia University in New York City in the late 1990s...

 appeared as a guest star for two episodes and was then promoted as a regular, but departed after the season finale.

Cast

Character	Portrayed by	Main cast	Recurring cast
David Rossi David Rossi David Rossi is a fictional character from the CBS crime drama Criminal Minds, portrayed by Joe Mantegna. The character first appeared in the sixth episode of the third season, replacing Jason Gideon.-Backstory:...	Joe Mantegna Joe Mantegna Joseph Anthony "Joe" Mantegna, Jr. is an American actor, producer, writer,director, and voice actor. He is best known for his roles in box office hits such as Three Amigos , The Godfather Part III , Forget Paris , and Up Close & Personal...	entire season
Emily Prentiss Emily Prentiss Emily Prentiss is a fictional character on the CBS crime drama Criminal Minds, portrayed by Paget Brewster. Prentiss first appeared in "The Last Word" - episode nine of season two, replacing Agent Elle Greenaway who had quit in "The Boogeyman"...	Paget Brewster Paget Brewster Paget Valerie Brewster is an American actress. She is currently known for playing Special Agent Emily Prentiss on the CBS crime drama Criminal Minds. In June 2010, it was said that her role on Criminal Minds would be reduced in the sixth season. In March 2011, Brewster's character left the series...	episodes 1–18
Derek Morgan Derek Morgan (Criminal Minds) Derek Morgan is a fictional character on the CBS crime drama Criminal Minds, portrayed by Shemar Moore. Morgan specializes in fixations and obsessive behaviors.- Background :...	Shemar Moore Shemar Moore Shemar Franklin Moore is an American actor and former male fashion model. His most notable roles are that of Malcolm Winters on The Young and the Restless from 1994 to 2005, Derek Morgan on CBS's Criminal Minds, and as the third permanent host of Soul Train from 1999 to 2003.-Early life:Moore was...	entire season
Dr. Spencer Reid Spencer Reid Dr. Spencer Reid is a fictional character from the CBS crime drama Criminal Minds, portrayed by Matthew Gray Gubler.He is a genius and autodidact who graduated from a Las Vegas public high school at age 12. His fellow team members almost always introduce him as Dr. Reid. Hotch revealed in the first...	Matthew Gray Gubler Matthew Gray Gubler Matthew Gray Gubler is an American actor, film director, sketch artist, and former fashion model. He is best known for his role as the young genius Dr. Spencer Reid in the CBS television show Criminal Minds, of which he has also directed two episodes...	entire season
Jennifer "JJ" Jareau Jennifer Jareau Jennifer "JJ" Jareau is a fictional character from the CBS crime drama Criminal Minds, portrayed by AJ Cook.- Back Story :During various episodes, JJ has described growing up in a very small town near Pittsburgh, Pennsylvania. She collected butterflies as a child, and also lost her sister to...	A. J. Cook A. J. Cook (actress) Andrea Joy "A.J." Cook-Andersen is a Canadian actress best known for her role as Supervisory Special Agent Jennifer "JJ" Jareau in the CBS crime drama Criminal Minds...	episodes 1 & 2	episodes 18 & 24
Penelope Garcia Penelope Garcia Penelope Garcia is a fictional character on the CBS crime dramas Criminal Minds and its short-lived spin-off Criminal Minds: Suspect Behavior, portrayed by Kirsten Vangsness...	Kirsten Vangsness Kirsten Vangsness Kirsten Simone Vangsness is an American actress. She graduated from Cerritos High School in Cerritos, California in June 1990. She is currently appearing on the CBS drama series Criminal Minds as FBI Technical Analyst Penelope Garcia...	entire season
Ashley Seaver	Rachel Nichols Rachel Nichols (actress) Rachel Emily Nichols is an American actress and model. Nichols began modeling while attending Columbia University in New York City in the late 1990s...	episodes 15–24	episodes 10-12
Aaron "Hotch" Hotchner Aaron Hotchner Aaron "Hotch" Hotchner is a fictional character from the CBS crime drama Criminal Minds, portrayed by Thomas Gibson. He is a Supervisory Special Agent within the FBI's Behavioral Analysis Unit, and has appeared from the series' first episode, originally broadcast on September 22, 2005. Hotch begins...	Thomas Gibson Thomas Gibson Thomas Ellis Gibson is an American actor who is perhaps best known for his roles as Daniel Nyland in the Medical drama series Chicago Hope, as Greg Montgomery in the comedy series Dharma & Greg, and as Supervisory Special Agent Aaron "Hotch" Hotchner in the highly-popular CBS drama, Criminal...	entire season
Erin Strauss	Jayne Atkinson Jayne Atkinson Jayne Atkinson is an English-born American film, theatre and television actress. She is perhaps best known for the role of Karen Hayes on 24 as well as her Tony Award-nominated roles in The Rainmaker and Enchanted April...		3 episodes

Episodes

No. in series		|Title		|Written by		|U.S. viewers (millions)