Casting Monstres & Cie
Acteurs et actrices
John Goodman
Rôle : James P. "Sulley" Sullivan (voice)
Billy Crystal
Rôle : Michael "Mike" Wazowski (voice)
Mary Gibbs
Rôle : Mary "Boo" (voice)
Steve Buscemi
Rôle : Randall Boggs (voice)
James Coburn
Rôle : Henry J. Waternoose III (voice)
Bob Peterson
Rôle : Roz (voice)
John Ratzenberger
Rôle : Yeti (voice)
Jennifer Tilly
Rôle : Celia Mae (voice)
Et aussi :
- Jeff Fungus (voice) Jeff Fungus (voice) Frank Oz
- Needleman / Smitty (voice) Needleman / Smitty (voice) Daniel Gerson
- Jerry Slugworth (voice) Jerry Slugworth (voice) Steve Susskind
- Ms. Flint (voice) Ms. Flint (voice) Bonnie Hunt
- Thaddeus "Phlegm" Bile (voice) Thaddeus "Phlegm" Bile (voice) Jeff Pidgeon
- George Sanderson (voice) George Sanderson (voice) Samuel Lord Black
- Additional Voices (voice) Additional Voices (voice) I Jack Angel
- Additional Voices (voice) Additional Voices (voice) Bob Bergen
- Additional Voices (voice) Additional Voices (voice) Rodger Bumpass
- Additional Voices (voice) Additional Voices (voice) Gino Conforti
- Additional Voices (voice) Additional Voices (voice) Jennifer Darling
- Additional Voices (voice) Additional Voices (voice) Patti Deutsch
- Additional Voices (voice) Additional Voices (voice) Pete Docter
- Additional Voices (voice) Additional Voices (voice) Bobby Edner
- Additional Voices (voice) Additional Voices (voice) Ashley Edner
- Additional Voices (voice) Additional Voices (voice) Paul Eiding
- Additional Voices (voice) Additional Voices (voice) Katie Scarlettr
- Additional Voices (voice) Additional Voices (voice) Bill Farmer
- Additional Voices (voice) Additional Voices (voice) Keegan Farrell
- Additional Voices (voice) Additional Voices (voice) Pat Fraley
- Additional Voices (voice) Additional Voices (voice) Teresa Ganzel
- Additional Voices (voice) Additional Voices (voice) Taylor Gifaldi
- Additional Voices (voice) Additional Voices (voice) Marc John Jefferies
- Additional Voices (voice) Additional Voices (voice) Joe Lala
- Additional Voices (voice) Additional Voices (voice) Noah Luke
- Additional Voices (voice) Additional Voices (voice) Sherry Lynn
- Additional Voices (voice) Additional Voices (voice) Danny Mann
- Additional Voices (voice) Additional Voices (voice) Mona Marshall
- Additional Voices (voice) Additional Voices (voice) Mickie McGowan
- Additional Voices (voice) Additional Voices (voice) Laraine Newman
- Additional Voices (voice) Additional Voices (voice) Kay Panabaker
- Trailer Mom (voice) (as Bret Parker) Trailer Mom (voice) (as Bret Parker) Bret 'Brook' Parker
- Charlie (voice) Charlie (voice) Phil Proctor
- Additional Voices (voice) Additional Voices (voice) Josh Qualtieri
- Additional Voices (voice) Additional Voices (voice) Guido Quaroni
- Additional Voices (voice) Additional Voices (voice) Jan Rabson
- Additional Voices (voice) Additional Voices (voice) Lisa Raggio
- Pete "Claws" Ward (voice) Pete "Claws" Ward (voice) Joe Ranft
- Additional Voices (voice) Additional Voices (voice) Sophia Ranft
- Additional Voices (voice) Additional Voices (voice) Katherine Ringgold
- Additional Voices (voice) Additional Voices (voice) Bob Scott
- Additional Voices (voice) Additional Voices (voice) David Silverman
- Additional Voices (voice) Additional Voices (voice) Jim Thornton
- Additional Voices (voice) Additional Voices (voice) Lee Unkrich
- Rex (outtakes) (voice) (uncredited) Rex (outtakes) (voice) (uncredited) Wallace Shawn
Réalisateurs
Pete Docter
Rôle : Director
Scénaristes
Andrew Stanton
Rôle : Screenplay
Daniel Gerson
Rôle : Screenplay
Producteurs
Andrew Stanton
Rôle : Executive Producer
John Lasseter
Rôle : Executive Producer
Darla K. Anderson
Rôle : Producer