Monsters, Inc. Cast
The cast of Monsters, Inc..
John Goodman
as Sullivan (voice)

John Goodman voiced the character Sullivan.

Billy Crystal
as Mike (voice)

Billy Crystal lent his voice to the character Mike.

Mary Gibbs
as Boo (voice)

Mary Gibbs portrayed the character Boo.

Steve Buscemi
as Randall (voice)

Steve Buscemi voiced the character Randall.

James Coburn
as Waternoose (voice)

James Coburn provided the voice for Waternoose.

Jennifer Tilly
as Celia (voice)

Jennifer Tilly portrayed the character Celia.

Bob Peterson
as Roz (voice)

Bob Peterson lent his voice to the character Roz.

John Ratzenberger
as Yeti (voice)

John Ratzenberger voiced the character Yeti.

Frank Oz
as Jeff Fungus (voice)
Daniel Gerson
as Needleman / Smitty (voice)
Steve Susskind
as Floor Manager (voice)
Bonnie Hunt
as Flint (voice)
Jeff Pidgeon
as Bile (voice)
Samuel Lord Black
as George (voice)
Jack Angel
as Additional Voices (voice)
Bob Bergen
as Additional Voices (voice)
Rodger Bumpass
as Additional Voices (voice)
Gino Conforti
as Additional Voices (voice)
Jennifer Darling
as Additional Voices (voice)
Patti Deutsch
as Additional Voices (voice)
Pete Docter
as Additional Voices (voice)
Bobby Edner
as Additional Voices (voice)
Ashley Edner
as Additional Voices (voice)
Katie Scarlett
as Additional Voices (voice)
Paul Eiding
as Additional Voices (voice)
Bill Farmer
as Additional Voices (voice)
Keegan Farrell
as Additional Voices (voice)
Pat Fraley
as Additional Voices (voice)
Teresa Ganzel
as Additional Voices (voice)
Taylor Gifaldi
as Additional Voices (voice)
Marc John Jefferies
as Additional Voices (voice)
Joe Lala
as Additional Voices (voice)
Noah Luke
as Additional Voices (voice)
Sherry Lynn
as Additional Voices (voice)
Danny Mann
as Additional Voices (voice)
Mona Marshall
as Additional Voices (voice)
Mickie McGowan
as Additional Voices (voice)
Laraine Newman
as Additional Voices (voice)
Kay Panabaker
as Additional Voices (voice)
Bret Parker
as Additional Voices (voice)
Phil Proctor
as Additional Voices (voice)
Josh Qualtieri
as Additional Voices (voice)
Guido Quaroni
as Additional Voices (voice)
Jan Rabson
as Additional Voices (voice)
Lisa Raggio
as Additional Voices (voice)
Joe Ranft
as Additional Voices (voice)
Sophia Ranft
as Additional Voices (voice)
Katherine Ringgold
as Additional Voices (voice)
Bob Scott
as Additional Voices (voice)
David Silverman
as Additional Voices (voice)
Jim Thornton
as Additional Voices (voice)
Lee Unkrich
as Additional Voices (voice)
Wallace Shawn
as Rex (voice) (uncredited)
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