John Goodman Layton T. Montgomery (voice)
Hans Zimmer Executive Music Producer
Kathy Bates Janet Benson (voice)
John DiMaggio Janitor / Bailiff (voice)
Ray Liotta Ray Liotta (voice)
Jim Cummings Title Narrator / Graduation Announcer (voice)
Chris Rock Mooseblood (voice)
Patrick Warburton Ken (voice)
Renée Zellweger Vanessa Bloome (voice)
Barry Levinson Martin Benson (voice)
Megan Mullally Trudy (voice)
Rip Torn Lou Lo Duca (voice)
Tress MacNeille Jeanette Chung / Mother / Cow (voice)
Matthew Broderick Adam Flayman (voice)
Sting Sting (voice)
Oprah Winfrey Judge Bumbleton (voice)
Larry Miller Buzzwell (voice)
Jerry Seinfeld Writer, Barry B. Benson (voice), Producer
Michael Richards Bud Ditchwater (voice)
David Herman Buzz / Bob Bumble / Pilot (voice)
Conrad Vernon Freddy (voice)
Larry King Bee Larry King (voice)
Andy Nelson Sound Mixer
Simon J. Smith Truck Driver / Chet (voice), Director
Steve Slanec ADR Editor
Andy Robin Writer, Jock #2 (voice)
Jeffrey Katzenberg Executive Producer
Randy Thom Sound Designer
Rupert Gregson-Williams Original Music Composer
Spike Feresten Writer
Anna Behlmer Sound Mixer
Mo Henry Negative Cutter
David G. Derrick Jr. Story Artist
Jennifer Kluska Storyboard Artist
Steve Hickner Director
Thomas J. O'Connell ADR Mixer
Sean Bishop Ladybug (voice)
Carol Leifer Press Person #1 (voice)
Will Files Supervising Sound Editor, Sound Designer
Barry Marder Waterbug (voice), Writer
Terry Claborn Color Timer
Michael Silvers Supervising Sound Editor
Tom Papa Splitz / Klauss Vanderhayden (voice)
Jana Vance Foley Artist
Leigh French ADR Voice Casting
Christi Soper Hilt Casting Associate
Frank Rinella Foley Mixer
Leslee Feldman Casting
Luke Dunn Gielmuda Foley Supervisor
Ellen Heuer Foley Artist
David C. Lawson Director of Photography
Scott Guitteau Sound Effects Editor
Seth Engstrom Conceptual Design
Sean England Foley Recordist
Alex McDowell Production Design
Steve Cunningham Animation
Brian Hopkins Sandy Shrimpkin / TSA Agent (voice)
Jeff Altman Uncle Carl (voice)
Kyrsten Mate Sound Effects Editor
Pat Sito Art Department Manager
Alan Meyerson Scoring Mixer
Matt Patterson Sound Recordist
Susan Bradley Title Designer
Mark Swift Co-Producer
Tony Siruno Character Designer
Rick Canelli ADR Recordist
Dennie Thorpe Foley Artist
Gene Goins Projection
Blake R. Cornett Sound Recordist
Mario Joyner Jackson (voice)
David Yanover Post Production Supervisor
Christina Steinberg Producer