George / Duck / Cow (voice)
Frank Welker
Flower Pot Lady / Irate Woman (voice)
Amy Hill
Kayla / Hog / Tonga / Layla (voice)
Jeff McNeal
Ms. Fisher / Cargo Pilot (voice)
Cree Summer
Hark Hanson (voice)
Matt Lauer
Phone Operator (voice)
Melissa Greenspan
Stationmaster (voice)
Jerry Lewis
Farmer Dan (voice)
Clint Howard
Anna (voice)
Trupti Potdukhe
Animal Park Attendant (voice)
Phil LaMarr
Additional Voices (voice)
Cam Clarke
Lara Cody
Ivan the Doorman (voice)
Ed O'Ross
Greg Dawson
John Kassir
Cynthia Songé
Steve Staley
Newspaper Vendor / Conductor (voice)
Carlos Alazraqui
Ted (voice)
Jeff Bennett
Mr. Bloomsberry (voice)
Fred Tatasciore
Maggie / Teenage Boy (voice)
Nickie Bryar
"Danno" Wolfe (voice)
Jamie Kennedy
Tina (voice)
Catherine Taber
Piccadilly (voice)
Tim Curry
Producer
Share Stallings
Casting
Susan Blu
Head of Story
Andrei Svislotski
Executive Producer
Ron Howard
Brian Grazer
Co-Executive Producer
Jim Whitaker
David Kirschner
Original Music Composer
Heitor Pereira
Director
Norton Virgien
Art Department Manager
Matt Williames
Editor
John Bryant
Jon Shapiro
Dialogue Editor
Jeff Rosen
Screenplay
Chuck Tately
Sound Effects Editor
Elliott Koretz
Art Direction
Bob Kline
Production Coordinator
David Vasquez
Associate Producer
Leanne Moreau
Story
Darrell Rooney
Music Editor
Slamm Andrews
Foley Supervisor
Derek Pippert
Sound Supervisor
Frederick Howard
David Bernardi