James P. Sullivan

John Goodman

Mike Wazowski

Billy Crystal

Boo

Mary Gibbs

Randall (voice)

Steve Buscemi

Henry J. Waternoose

James Coburn

Celia (voice)

Jennifer Tilly

Roz (voice)

Bob Peterson

Yeti

John Ratzenberger

Fungus

Frank Oz

Needleman / Smitty (voice)

Daniel Gerson

Floor Manager

Steve Susskind

Ms. Flint

Bonnie Hunt

Bile

Jeff Pidgeon

George

Sam Black

Reinhard Brock

Ilja Richter

George (voice)

Samuel Lord Black

Maya McMahon

Additional Voices (voice)

Jack Angel

Additional Voices (voice)

Bob Bergen

Martin Semmelrogge

Kim McMahon

Additional Voices (voice)

Rodger Bumpass

Sissi Perlinger

Additional Voices (voice)

Gino Conforti

Additional Voices (voice)

Jennifer Darling

Helmut Krauss

John Goodmann

Additional Voices (voice)

Patti Deutsch

Additional Voices (voice)

Pete Docter

Jack Angeles

Additional Voices (voice)

Bobby Edner

Samuel Black

Additional Voices (voice)

Ashley Edner

Additional Voices (voice)

Katie Scarlett

Additional Voices (voice)

Paul Eiding

Additional Voices (voice)

Teresa Ganzel

Bret Parker

Additional Voices (voice)

Bill Farmer

Richard Bari

Additional Voices (voice)

Keegan Farrell

Hollie Beach

Additional Voices (voice)

Pat Fraley

Maryke Hendrikse

Additional Voices (voice)

Taylor Gifaldi

Jacques Marin

Stojan Matavulj

Additional Voices (voice)

Marc John Jefferies

Branko Meničanin

Additional Voices (voice)

Joe Lala

Nikki Rapp

Additional Voices (voice)

Noah Luke

Wallace Shawn

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

Patti Deutsch

Additional Voices (voice)

Kay Panabaker

Additional Voices (voice)

Bret 'Brook' 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

Barbara Ratthey

Additional Voices (voice)

Sophia Ranft

Additional Voices (voice)

Katherine Ringgold

Walter von Hauff

Ulrich Frank

Additional Voices (voice)

Bob Scott

Benedict Weber

Additional Voices (voice)

David Silverman

Johannes Raspe

Additional Voices (voice)

Jim Thornton

Additional Voices (voice)

Lee Unkrich

Additional Voices (voice)

Claire Keim

Director

Pete Docter

Director

Lee Unkrich

Director

David Silverman