Family Guy Peter's Sister (Season 14, Episode 6)
TV-14
TV Episode | 21 min | Animation, Comedy

Family Guy

Peter's Sister (Season 14, Episode 6)

TV-14

TV Episode | 21 min | Animation, Comedy

Peter's sister Karen comes over for Thanksgiving, while Stewie goes a little too far as he and Brian go on a cleanse to avoid overeating.

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Cast	+ Add Cast
20 cast members

Name	Known for
Seth MacFarlane Peter Griffin / Stewie Griffin / Brian Griffin / Glenn Quagmire / Tom Tucker / Marty McFly (voice) Peter Griffin / Stewie Griffin / Brian Griffin / Glenn Quagmire / Tom Tucker / Marty McFly (voice) See fewer	Family Guy (1999)
Alex Borstein Lois Griffin (voice) Lois Griffin (voice) See fewer	Family Guy (1999)
Seth Green Chris Griffin / Monkeys (voice) Chris Griffin / Monkeys (voice) See fewer	Robot Chicken (2001)
Mila Kunis Meg Griffin (voice) Meg Griffin (voice) See fewer	Black Swan (2010)
Mike Henry Cleveland Brown / Secret Service Agent (voice) Cleveland Brown / Secret Service Agent (voice) See fewer	Family Guy (1999)
Dee Bradley Baker Actor (voice) Actor (voice) See fewer	American Dad! (2005)
Chris Cox Kyle (voice) Kyle (voice) See fewer	Ted (2012)
Ralph Garman Actor (voice) Actor (voice) See fewer	Ted (2012)
Sanaa Lathan Muhammad Ali's Wife (voice) Muhammad Ali's Wife (voice) See fewer	Alien vs. Predator (2004)
Kate McKinnon Karen Griffin (Heavy Flo) (voice) Karen Griffin (Heavy Flo) (voice) See fewer	Ghostbusters (2016)
Belita Moreno Rosario Vargas (voice) Rosario Vargas (voice) See fewer	Grosse Pointe Blank (1997)
Kevin Michael Richardson Jack Skellington / Cleveland Brown Jr. (voice) Jack Skellington / Cleveland Brown Jr. (voice) See fewer	Mortal Kombat (1995)
Eric Schermerhorn Eric Schermerhorn (voice) Eric Schermerhorn (voice) See fewer	Tank Girl (1995)
Danny Smith Guy Friend (voice) Guy Friend (voice) See fewer	Family Guy (1999)
Alec Sulkin Actor (voice) Actor (voice) See fewer	Ted 2 (2015)
Fred Tatasciore Guy Friend (voice) Guy Friend (voice) See fewer	Team America: World Police (2004)
Josh Robert Thompson Actor (voice) Actor (voice) See fewer	Family Guy (1999)
Jennifer Tilly Bonnie Swanson (voice) Bonnie Swanson (voice) See fewer	Bound (1996)
John Viener Muhammad Ali (voice) Muhammad Ali (voice) See fewer	Family Guy (1999)
Patrick Warburton Joe Swanson (voice) Joe Swanson (voice) See fewer	The Emperor's New Groove (2000)