John Goodman

Sullivan (voice)

Billy Crystal

Mike (voice)

Mary Gibbs

Boo (voice)

Steve Buscemi

Randall (voice)

James Coburn

Waternoose (voice)

Jennifer Tilly

Celia (voice)

Bob Peterson

Roz (voice)

John Ratzenberger

Yeti (voice)

Frank Oz

Jeff Fungus (voice)

Daniel Gerson

Needleman / Smitty (voice)

Steve Susskind

Floor Manager (voice)

Bonnie Hunt

Flint (voice)

Jeff Pidgeon

Bile (voice)

Samuel Lord Black

George (voice)

Jack Angel

Additional Voices (voice)

Bob Bergen

Additional Voices (voice)

Rodger Bumpass

Additional Voices (voice)

Gino Conforti

Additional Voices (voice)

Jennifer Darling

Additional Voices (voice)

Patti Deutsch

Additional Voices (voice)

Pete Docter

Additional Voices (voice)

Bobby Edner

Additional Voices (voice)

Ashley Edner

Additional Voices (voice)

Katie Scarlett

Additional Voices (voice)

Paul Eiding

Additional Voices (voice)

Bill Farmer

Additional Voices (voice)

Keegan Farrell

Additional Voices (voice)

Pat Fraley

Additional Voices (voice)

Teresa Ganzel

Additional Voices (voice)

Taylor Gifaldi

Additional Voices (voice)

Marc John Jefferies

Additional Voices (voice)

Joe Lala

Additional Voices (voice)

Noah Luke

Additional Voices (voice)

Sherry Lynn

Additional Voices (voice)

Danny Mann

Additional Voices (voice)

Mona Marshall

Additional Voices (voice)

Mickie McGowan

Additional Voices (voice)

Laraine Newman

Additional Voices (voice)

Kay Panabaker

Additional Voices (voice)

Bret Parker

Additional Voices (voice)

Phil Proctor

Additional Voices (voice)

Josh Qualtieri

Additional Voices (voice)

Guido Quaroni

Additional Voices (voice)

Jan Rabson

Additional Voices (voice)

Lisa Raggio

Additional Voices (voice)

Joe Ranft

Additional Voices (voice)

Sophia Ranft

Additional Voices (voice)

Katherine Ringgold

Additional Voices (voice)

Bob Scott

Additional Voices (voice)

David Silverman

Additional Voices (voice)

Jim Thornton

Additional Voices (voice)

Lee Unkrich

Additional Voices (voice)

Wallace Shawn

Rex (voice) (uncredited)