Horton Hears a Who!

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)

Niecy Nash

Miss Yelp (voice)

Jesse McCartney

JoJo (voice)

Shelby Adamowsky

Hedy / Hooly (voice)

Jack Angel

Old Time Who (voice)

Caitlin Rose Anderson

Helen (voice)

Emily Anderson

Heather (voice)

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

Chris Meledandri

Executive Producer

Mike Reiss

Story

Patrick Worlock

Producer