Guest voice credits for Season 15
The Boys in the Band[]
- John G. Brennan
- Nicole Byer
- Steve Callaghan
- Max Charles
- Chip Chinery
- Chris Cox
- Jon Daly
- Ralph Garman
- Jonathan Morgan Heit
- Jenna Lamia
- Rachael MacFarlane
- Nolan North
- Emily Osment
- Amy Schumer
- Tony Sirico
- Danny Smith
- Ursula Taherian
- Fred Tatasciore
- Josh Robert Thompson
- John Viener
Bookie of the Year[]
- Kyle Chandler
- Chip Chinery
- Artie Johann
- Chris Sheridan
- Frank Sinatra, Jr.
- Danny Smith
- Fred Tatasciore
- Josh Robert Thompson
- Patrick Warburton
- Adam West (actor)
American Gigg-olo[]
- Alexandra Breckenridge
- Billy Bush (uncredited archive footage)
- Kelen Coleman
- Chris Cox
- Ralph Garman
- Phil LaMarr
- Rolando Molina
- Kevin Michael Richardson
- Danny Smith
- André Sogliuzzo
- Nicole Sullivan
- Fred Tatasciore
- Josh Robert Thompson
- Donald Trump (uncredited archive footage)
- John Viener
- Patrick Warburton
- Mae Whitman
- Wally Wingert
- Heléne Yorke
Inside Family Guy[]
- Kevin Biggins
- Steve Callaghan
- Chris Cox
- Ralph Garman
- Lucas Grabeel
- Mark Hentemann
- Rachael MacFarlane
- Patrick Meighan
- Gary Newman
- Kevin Michael Richardson
- Danny Smith
- Fred Tatasciore
- David Tennant
- Josh Robert Thompson
- John Viener
- Dana Walden
- Patrick Warburton
- Adam West (actor)
- James Woods
Chris Has Got a Date, Date, Date, Date, Date[]
- Jeff Bergman
- Gary Cole
- Chris Cox
- Ralph Garman
- Mark-Paul Gosselaar
- Sean Kenin
- Danny Smith
- Ursula Taherian
- Fred Tatasciore
- Josh Robert Thompson
- John Viener
Hot Shots[]
- Chris Cox
- Ralph Garman
- Jerry Lambert
- Rachael MacFarlane
- Hopper Penn
- Sean Penn
- Danny Smith
- Fred Tatasciore
- Josh Robert Thompson
- John Viener
- Patrick Warburton
High School English[]
- Chris Cox
- Ralph Garman
- Alec Sulkin
- Fred Tatasciore
- Jennifer Tilly
- John Viener
- Patrick Warburton
- Heléne Yorke
Carter and Tricia[]
- Carrie Fisher
- Ralph Garman
- Lucas Grabeel
- Esther Ku
- Christine Lakin
- Phil LaMarr
- Julius Sharpe
- Alec Sulkin
- Fred Tatasciore
- Josh Robert Thompson
- John Viener
- Patrick Warburton
- Robert Wu
How the Griffin Stole Christmas[]
- Ava Acres
- Max Charles
- Ralph Garman
- David Goodman
- Christine Lakin
- David Lynch
- Kate McKinnon
- Ty Simpkins
- Alec Sulkin
- Ursula Taherian
- Fred Tatasciore
- Josh Robert Thompson
- Jennifer Tilly
- John Viener
- Patrick Warburton
- Adam West (actor)
Passenger Fatty-Seven[]
- Ava Acres
- Chris Cox
- Stephen Curry
- Tom Devanney
- Ralph Garman
- David Jung
- Sanaa Lathan
- Rachael MacFarlane
- Chris Regan
- Kevin Michael Richardson
- Fred Tatasciore
- Josh Robert Thompson
- Jennifer Tilly
- Jacob Tremblay
- John Viener
- Patrick Warburton
Gronkowsbees[]
- Alexandra Breckenridge
- Max Burkholder
- Gary Cole
- Ralph Garman
- Lucas Grabeel
- Chris Gronkowski
- Dan Gronkowski
- Glenn Gronkowski
- Gordon Gronkowski
- Rob Gronkowski
- Rolando Molina
- Kim Parks
- Chris Regan
- Kevin Michael Richardson
- Matt $ Smith
- Nicole Sullivan
- Fred Tatasciore
- Josh Robert Thompson
- Patrick Warburton
- Mae Whitman
- Wally Wingert
Peter's Def Jam[]
- Mike Desilets
- Flea
- Ralph Garman
- Jerry Lambert
- Marlee Matlin
- Patrick Meighan
- Fred Tatasciore
- John Viener
- Patrick Warburton
The Finer Strings[]
- Carrot Top
- Gary Cole
- Chris Cox
- H. Michael Croner
- Colin Ford
- Rachael MacFarlane
- Martha MacIsaac
- Emily Osment
- Fred Tatasciore
- Kiff VandenHeuvel
- Patrick Warburton
- Ed Westwick
- Robert Wu
The Dating Game[]
- H. Jon Benjamin
- Jeff Bergman
- John G. Brennan
- Ralph Garman
- Christine Lakin
- Rachael MacFarlane
- Christina Pickles
- Kevin Michael Richardson
- Danny Smith
- Alec Sulkin
- Ursula Taherian
- Fred Tatasciore
- Josh Robert Thompson
- Patrick Warburton
- Adam West (actor)
- Heléne Yorke
Cop and a Half-Wit[]
- Dee Bradley Baker
- Chris Cox
- Jon Daly
- Nat Faxon
- Ralph Garman
- Nicholas Gonzalez
- Rolando Molina
- Ana Ortiz
- Will Sasso
- Alec Sulkin
- Ursula Taherian
- Fred Tatasciore
- Jennifer Tilly
- Michael Trotter
- John Viener
- Patrick Warburton
- Adam West (actor)
- Mae Whitman
- Heléne Yorke
Saturated Fat Guy[]
- H. Jon Benjamin
- Neil Brown Jr.
- Steve Callaghan
- Chris Cox
- Ralph Garman
- Artie Johann
- Sean Kenin
- Rachael MacFarlane
- Martha MacIsaac
- Christina Milian
- Emily Osment
- Kevin Michael Richardson
- Danny Smith
- Alec Sulkin
- Fred Tatasciore
- Josh Robert Thompson
- John Viener
- Patrick Warburton
- Mae Whitman
Peter's Lost Youth[]
- Wade Boggs
- Steve Callaghan
- Lenny Clarke
- Carrie Fisher
- Ralph Garman
- Carl Reiner
- Kevin Michael Richardson
- Chris Sheridan
- Danny Smith
- Matt $ Smith
- Josh Robert Thompson
- John Viener
- Patrick Warburton
The Peter Principal[]
- Max Burkholder
- Gary Cole
- Chris Cox
- Colin Ford
- Jermaine Fowler
- Ralph Garman
- Anders Holm
- Shawn Michael Howard
- Jerry Lambert
- Martha MacIsaac
- Christina Milian
- Emily Osment
- Wendy Schaal
- Kiernan Shipka
- Danny Smith
- Fred Tatasciore
- Jennifer Tilly
- John Viener
- Patrick Warburton
- Adam West (actor)
- Lisa Wilhoit
Dearly Deported[]
- Ian Chen
- Nat Faxon
- Daniele Gaither
- Aimee Garcia
- Ralph Garman
- David Jung
- Esther Ku
- Christine Lakin
- Rachael MacFarlane
- Rolando Molina
- Gaby Moreno
- Jim Rash
- Danny Smith
- Alec Sulkin
- John Viener
- Adam West (actor)