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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)
$ 85,000,000
$ 298,572,799
Released
Blue Sky Studios
20th Century Fox Animation
Dr. Seuss Enterprises
20th Century Fox
Jimmy Hayward
Director
Steve Martino
Bob Gordon
Producer
John Powell
Original Music Composer
