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