Bruce Willis RJ (voice)
Allison Janney Gladys (voice)
Catherine O'Hara Penny (voice)
Steve Carell Hammy (voice)
Ariel Winter Additional Voices (voice)
Nick Nolte Vincent (voice)
Hans Zimmer Executive Music Producer
Eugene Levy Lou (voice)
William Shatner Ozzie (voice)
Thomas Haden Church Dwayne (voice)
Brian Stepanek Nugent the Dog (voice)
Madison Davenport Quillo (voice)
Avril Lavigne Heather (voice)
Conrad Vernon Story Artist
Nicholas Guest Additional Voices (voice)
Debra Wilson Debbie (voice)
Wanda Sykes Stella (voice)
Michaela Jill Murphy Additional Voices (voice)
Will Finn Story Artist
Omid Djalili Tiger (voice)
Paul Butcher Skeeter (voice)
Michelle Ruff Additional Voices (voice)
Karey Kirkpatrick Director, Screenplay
Simon Wells Story Artist
Maggie Kang Story Artist
Jessica DiCicco Shelby (voice)
Lorne Balfe Thanks
Joel McCrary Dr. Dennis (voice)
Randy Thom Sound Mixer
Tim Johnson Director
Garry Shandling Verne (voice)
Lorne Cameron Screenplay
David Soren Story Artist
Jeannie Elias Janis (voice)
David A. Whittaker Sound Effects Editor
Gary Rizzo Sound Re-Recording Mixer
Richard L. Anderson Supervising Sound Editor
Rob Letterman Thanks
Tom Boyd Musician
Serguei Kouchnerov Animation
Steve Hickner Additional Storyboarding
Kirk Baily Additional Voices (voice)
Derek Casari ADR Engineer
Toby Shelton Additional Storyboarding
James Ashwill Foley Mixer
Dan O'Connell Foley
Rupert Gregson-Williams Conductor, Original Music Composer, Orchestrator
Rachel Bolt Musician
James Thatcher Musician
Brandon Proctor Sound Mix Technician
Bridget Hoffman Additional Voices (voice)
Michael Miller ADR Mixer
Ash Brannon Additional Storyboarding
Steve Alterman Additional Voices (voice)
Joshua Pruett Script Coordinator, Story Coordinator
Sean Bishop Police Officer (voice), Story Artist
Mo Henry Negative Cutter
John T. Cucci Foley Artist
Thom Enriquez Story Artist
Melchior Zwyer Props
Terry Claborn Color Timer
Alessandro Carloni Storyboard Artist, Animation, Story Artist
Stephen J. Eads Thanks
Mary Blee Associate Editor
Leslee Feldman Casting
Nicholas Bucknall Musician
Juan Peralta Sound Mix Technician, Sound Re-Recording Assistant
Bruce White Musician
Nico Marlet Character Designer
Jennifer Dahlman Production Supervisor
Steve Cunningham Animation
April Lawrence Additional Voices (voice)