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