Crew
Jimmy Hayward
Director
Steve Martino
Director
BG
Bob Gordon
Producer
John Powell
Original Music Composer
Ken Daurio
Screenplay
Cinco Paul
Screenplay
BA
Bruce Anderson
Producer
Patrick Worlock
Producer
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)
Charles Osgood
Narrator (voice)
Josh Flitter
Rudy (voice)
