Bruce Willis RJ (voice)
Brian Stepanek Nugent the Dog (voice)
William Shatner Ozzie (voice)
Wanda Sykes Stella (voice)
Steve Carell Hammy (voice)
Eugene Levy Lou (voice)
Catherine O'Hara Penny (voice)
Allison Janney Gladys (voice)
Nick Nolte Vincent (voice)
Nicholas Guest Additional Voices (voice)
Ariel Winter (voice), Additional Voices (voice)
Hans Zimmer Executive Music Producer
Thomas Haden Church Dwayne (voice)
Avril Lavigne Heather (voice)
Will Finn Storyboard Artist
Emile Ghorayeb Animation
Madison Davenport Quillo (voice)
Ash Brannon Additional Storyboarding
Bob Newlan Foley Editor
Conrad Vernon Storyboard Artist
Brandon Proctor Sound Mix Technician
Maggie Kang Storyboard Artist
Jessie Flower (voice), Additional Voices (voice)
Garry Shandling Verne (voice)
Omid Djalili Tiger (voice)
Debra Wilson Debbie (voice)
Joel McCrary Dr. Dennis (voice)
Steve Alterman Additional Voices (voice)
Melchior Zwyer Props
Stephen J. Eads Thanks
Jessica DiCicco Shelby (voice)
Marcelo Tubert Additional Voices (voice)
Bridget Hoffman Additional Voices (voice)
Randy Thom Sound Mixer
Chris Douridas Music Supervisor
Serguei Kouchnerov Animation
Amy Rae Jones Lighting Artist
Richard L. Anderson Supervising Sound Editor
Nicholas Bucknall Musician
Jeannie Elias Janis (voice)
Sandy Holt Additional Voices (voice)
Paul Butcher Skeeter (voice)
Toby Shelton Additional Storyboarding
Maurissa Horwitz First Assistant Editor
Karey Kirkpatrick Screenplay, Director
Lorne Balfe Thanks
Patrice Avery Production Supervisor
Gary Rizzo Sound Re-Recording Mixer
Rob Letterman Thanks
David Hoselton Screenplay
Steve Cunningham Animation
Matt Pomeroy Production Supervisor
Jordan Orr Additional Voices (voice)
Tim Johnson Director
Wilbert Plijnaar Additional Storyboarding
Charlie Ramos Modeling
David Soren Story Artist, Storyboard Artist
Claire Morrissey Animation
Geoffrey Pomeroy Ranger (voice)
Simon Otto Art Department Manager
Steve Hickner Additional Storyboarding
Rachel Bolt Musician
Shane Baumel Spike (voice)
Simon Wells Storyboard Artist
Lorne Cameron Screenplay
Derek Casari ADR Engineer
Kristof Serrand Supervising Animator
David A. Whittaker Sound Effects Editor
Dan O'Connell Foley
Mo Henry Negative Cutter
Damon O'Beirne Cinematography, Head of Layout
Michael Miller ADR Mixer