Horton Hears a Who!

Steve Martino

director

Jimmy Hayward

director

Ken Daurio

writer

Cinco Paul

writer

Bob Gordon

producer

Bruce Anderson

producer

Patrick Worlock

producer

Audrey Geisel

producer

Jim Carrey

as Horton (voice)

Steve Carell

as Mayor (voice)

Carol Burnett

as Kangaroo (voice)

Will Arnett

as Vlad (voice)

Seth Rogen

as Morton (voice)

Dan Fogler

as Councilman / Yummo Wickersham (voice)

Isla Fisher

as Dr. Mary Lou Larue (voice)

Jonah Hill

as Tommy (voice)

Amy Poehler

as Sally O'Malley (voice)

Jaime Pressly

as Mrs. Quilligan (voice)

Charles Osgood

as Narrator (voice)

Josh Flitter

as Rudy (voice)