Bob Peterson
Roz (voice)
Alfred Molina
Professor Knight (voice)
Steve Buscemi
Randall Boggs (voice)
John Goodman
James 'Sulley' Sullivan (voice)
Bonnie Hunt
Karen Graves (voice)
Marcia Wallace
Additional Voices (voice)
Jeff Pidgeon
Additional Voices (voice)
Daniel Gerson
Additional Voices (voice)
Billy Crystal
Mike Wazowski (voice)
John Ratzenberger
Yeti (voice)
Bret Parker
Additional Voices (voice)
Julia Sweeney
Ms. Squibbles (voice)
Mindy Sterling
Additional Voices (voice)
Helen Mirren
Dean Hardscrabble (voice)
Tara Strong
Additional Voices (voice)
John Krasinski
Frank McCay (voice)
Bill Hader
Referee / Slug (voice)
Jack Angel
Additional Voices (voice)
Gregg Berger
Additional Voices (voice)
Peter Sohn
Scott 'Squishy' Squibbles (voice)
Dave Foley
Terry Perry (voice)
Lori Alan
Additional Voices (voice)
John Kassir
Additional Voices (voice)
Laraine Newman
Additional Voices (voice)
Tyler Labine
Brock Pearson (voice)
Nathan Fillion
Johnny Worthington (voice)
Sean Hayes
Terri Perry (voice)
Danny Mann
Additional Voices (voice)
Carlos Alazraqui
Additional Voices (voice)
April Winchell
Additional Voices (voice)
Jason Marsden
Additional Voices (voice)
Rodger Bumpass
Additional Voices (voice)
Elissa Knight
Additional Voices (voice)
Bob Bergen
Additional Voices (voice)
Bill Farmer
Additional Voices (voice)
Mickie McGowan
Additional Voices (voice)
Donald Fullilove
Additional Voices (voice)
Jess Harnell
Additional Voices (voice)
Paul Eiding
Additional Voices (voice)
Jim Ward
Additional Voices (voice)
Dawnn Lewis
Additional Voices (voice)
Alec Medlock
Additional Voices (voice)
Charlie Day
Art (voice)
Paul Lazenby
Monster (voice, uncredited)
Mona Marshall
Emmet (voice)
Dannah Feinglass Phirman
Additional Voices (voice)
Teresa Ganzel
Additional Voices (voice)
Aubrey Plaza
Claire Wheeler (voice)
Keith Ferguson
Additional Voices (voice)
Joel Murray
Don Carlton (voice)
Jan Rabson
Additional Voices (voice)
John Cygan
Additional Voices(voice)
Brandon Johnson
Additional Voices (voice)
Sean Conroy
Additional Voices (voice)
Andy Fischer-Price
Additional Voices (voice)
Isabella Acres
Additional Children's Voices (voice)
Sherry Lynn
Additional Voices (voice)
Dan Scanlon
Additional Voices (voice)
Bobby Moynihan
Chet Alexander (voice)
Beth Behrs
Carrie Williams (voice)
Matthew Mercer
Additional Voices (voice)
Mason Cook
Additional Children's Voices (voice)
Patrick Seitz
Additional Voices (voice)
Raymond Ochoa
Additional Children's Voices (voice)
David Neher
Additional Voices (voice)
Joseph John Schirle
Additional Children's Voices (voice)
Greg Dykstra
Additional Voices (voice)
Colleen O'Shaughnessey
Additional Voices (voice)
Joel Spence
Additional Voices (voice)
Donovan Patton
Additional Voices (voice)
Tyree Brown
Additional Children's Voices (voice)
Davin Ransom
Additional Children's Voices (voice)
Noah Johnston
Young Mike (voice)
Ava Acres
Additional Children's Voices (voice)
Allan McLeod
Additional Voices (voice)
Neil Campbell
Additional Voices (voice)
Cristina Pucelli
Additional Voices (voice)
Betsy Sodaro
Additional Voices (voice)
Colette Whitaker
Additional Voices (voice)
Montse Hernandez
Additional Children's Voices (voice)
Patrick Carlyle
Additional Voices (voice)
Pam Murphy
Additional Voices (voice)
Tricia McAlpin
Additional Voices (voice)
David Theune
Additional Voices (voice)
Aramé Scott
Additional Children's Voices (voice)
Kristen Li
Additional Children's Voices (voice)