John Goodman Sullivan (voice)
James Coburn Waternoose (voice)
Steve Buscemi Randall (voice)
Jennifer Tilly Celia (voice)
Teresa Ganzel Additional Voices (voice)
Wallace Shawn Rex (voice) (uncredited)
David Silverman Additional Voices (voice), Additional Writing, Co-Director
Bonnie Hunt Flint (voice)
Phil Proctor Additional Voices (voice)
John Ratzenberger Yeti (voice)
Nicole Paradis Grindle Simulation & Effects Artist
Marc John Jefferies Additional Voices (voice)
Mickie McGowan ADR Voice Casting, Additional Voices (voice)
Billy Crystal Mike (voice)
John Lasseter Executive Producer
Andrew Stanton Executive Producer, Screenplay
Pete Docter Additional Voices (voice), Original Story, Director
Bill Farmer Additional Voices (voice)
Joe Ranft Additional Voices (voice), Additional Writing
Rodger Bumpass Additional Voices (voice)
Frank Oz Jeff Fungus (voice)
Laraine Newman Additional Voices (voice)
Bob Scott Additional Voices (voice)
Bob Peterson Roz (voice), Additional Writing, Script Supervisor, Story Supervisor
Chris DeLaGuardia Color Timer
Mona Marshall Additional Voices (voice)
Jack Angel Additional Voices (voice)
Mary Hidalgo Casting
Lee Unkrich Additional Editing, Additional Voices (voice), Co-Director
Paul Eiding Additional Voices (voice)
Danny Mann Additional Voices (voice)
Kay Panabaker Additional Voices (voice)
Tony Eckert Foley Mixer
Pat Fraley Additional Voices (voice)
Jan Rabson Additional Voices (voice)
Randy Newman Original Music Composer, Music Producer, Songs
Matthew Jon Beck Casting
Steve Susskind Floor Manager (voice)
Angus MacLane Animation
Bob Bergen Additional Voices (voice)
Jimmy Hayward Animation
Louis Rivera Camera Supervisor
Jeremy Lasky Layout
Jeff Pidgeon Original Story, Bile (voice)
Robert L. Baird Additional Writing
Dirk Van Gelder Software Team Lead
Daniel Gerson Needleman / Smitty (voice), Screenplay
Kyle Balda Animation
Bruce White Musician
Gary Summers Sound Re-Recording Mixer
Ruth Lambert Casting
Jennifer Darling Additional Voices (voice)
Bobby Edner Additional Voices (voice)
Patti Deutsch Additional Voices (voice)
Joe Lala Additional Voices (voice)
Stephen Kearney Sound Effects Editor
Rhett Reese Additional Writing
Guido Quaroni Additional Voices (voice), 3D Modeller, Sequence Supervisor
Michael Silvers Supervising Sound Editor
Derek Casari Sound Engineer, ADR Engineer
Gary Rydstrom Sound Designer, Sound Re-Recording Mixer
Mark Nielsen Lighting Manager
Patrick Lin Animation
Gino Conforti Additional Voices (voice)
Tom Myers Sound Designer
Lane Smith Visual Development
Ashley Edner Additional Voices (voice)
Doc Kane Sound Editor
Juan Peralta Sound Mix Technician
Bret Parker Animation, Additional Voices (voice)
Bobby Podesta Animation
Alan Barillaro Animation