Cast
Jim Carrey
Horton (voice)
Steve Carell
Mayor (voice)
Carol Burnett
Kangaroo (voice)
Will Arnett
Vlad (voice)
Seth Rogen
Morton (voice)
Dan Fogler
Councilman / Yummo Wickersham (voice)
Isla Fisher
Dr. Mary Lou Larue (voice)
Jonah Hill
Tommy (voice)
Amy Poehler
Sally O'Malley (voice)
Jaime Pressly
Mrs. Quilligan (voice)
Crew
Bob Gordon
Producer
Steve Martino
Director
Tim Nordquist
Editor
John Powell
Original Music Composer
Ken Daurio
Screenplay
Jimmy Hayward
Director
Bruce Anderson
Producer
Cinco Paul
Screenplay
Audrey Geisel
Executive Producer
Chris Wedge
Executive Producer
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