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