Bruce Willis RJ (voice)
Steve Carell Hammy (voice)
Nick Nolte Vincent (voice)
Hans Zimmer Executive Music Producer
William Shatner Ozzie (voice)
Allison Janney Gladys (voice)
Catherine O'Hara Penny (voice)
Eugene Levy Lou (voice)
Bridget Hoffman Additional Voices (voice)
Ariel Winter (voice), Additional Voices (voice)
Nicholas Guest Additional Voices (voice)
Thomas Haden Church Dwayne (voice)
Will Finn Storyboard Artist
Wanda Sykes Stella (voice)
Brian Stepanek Nugent the Dog (voice)
Bob Newlan Foley Editor
Madison Davenport Quillo (voice)
James Beshears Post Production Supervisor
Conrad Vernon Storyboard Artist
Avril Lavigne Heather (voice)
Melchior Zwyer Props
Michelle Ruff Additional Voices (voice)
David Soren Story Artist, Storyboard Artist
Omid Djalili Tiger (voice)
Debra Wilson Debbie (voice)
Bill Díaz Animation
Joel McCrary Dr. Dennis (voice)
Rob Letterman Thanks
Rupert Gregson-Williams Original Music Composer, Orchestrator, Conductor
Jessie Flower (voice), Additional Voices (voice)
Simon Wells Storyboard Artist
Garry Shandling Verne (voice)
Bonnie Arnold Producer
Lorne Balfe Thanks
Stephen J. Eads Thanks
Jessica DiCicco Shelby (voice)
John K. Carr Editor
Marcelo Tubert Additional Voices (voice)
Mo Henry Negative Cutter
Emile Ghorayeb Animation
Sean Bishop Police Officer (voice), Storyboard Artist
Mark A. Hester Associate Editor
Bruce White Musician
Jeannie Elias Janis (voice)
Sandy Holt Additional Voices (voice)
Dan O'Connell Foley
Richard L. Anderson Supervising Sound Editor
James Ashwill Foley Mixer
Tom Kramer Additional Music
Thomas Jones Supervising Sound Editor
Paul Butcher Skeeter (voice)
Gary Rizzo Sound Re-Recording Mixer
Denise Koyama Additional Storyboarding
Mark Berrow Musician
Maggie Kang Storyboard Artist
Derek Casari ADR Engineer
Karey Kirkpatrick Screenplay, Director
Patrice Avery Production Supervisor
David Hoselton Screenplay
Kirk Baily Additional Voices (voice)
Matt Pomeroy Production Supervisor
Andy Sisul Assistant Sound Editor
Simon Otto Art Department Manager
Randy Thom Sound Mixer
Sean Sexton Animation
Jordan Orr Additional Voices (voice)
Tim Johnson Director
Raffaella Filipponi Animation
Damon O'Beirne Cinematography, Head of Layout
Charlie Ramos Modeling
Claire Morrissey Animation
John T. Cucci Foley Artist