Dr. Seuss' Horton Hears a Who! is a 2008 American computer-animated adventure comedy film based on the Dr. Seuss' book Horton Hears a Who!. The film was directed by Jimmy Hayward and Steve Martino, and was produced by Blue Sky Studios. The film was released on March 14, 2008 by 20th Century Fox.
Voice Cast
- Horton - Jim Carrey
- Mayor Ned McDodd - Steve Carell
- Kangaroo - Carol Burnett
- Vlad Vladikoff - Will Arnett
- Morton - Seth Rogen
- Councilman/Yummo Wickersham - Dan Fogler
- Dr. Mary Lou Larue - Isla Fisher
- Tommy - Jonah Hill
- Sally O'Malley - Amy Poehler
- Mrs. Quilligan - Jaime Pressly
- Narrator - Charles Osgood
- Rudy Kangaroo - Josh Flitter
- Miss Yelp - Niecy Nash
- JoJo McDodd - Jesse McCartney
- Hedy/Hooly - Shelby Adamowsky
- Old Time Who - Jack Angel
- Helen - Caitlin Rose Anderson
- Heather - Emily Anderson
- Town Cryer - Jan Rabson
- Who - John Cygan
- Another Who - Jess Harnell
- Who Mom - Debi Derryberry
- Hildy/Holly - Samantha Raye Droke
- Who Kid - Karen Disher
- Wickersham Guard 1 - Marshall Efron
- Willie Bear - Bill Farmer
- Joe - Jason Fricchione
- Who Girl - Heather Goldenhersh
- Helga - Selena Gomez
- Obnoxious Who - Jimmy Hayward
- Katie - Joey King
- Heidi/Haley - Christina Martino
- Hanna - Ellie Martino
- Glummox Mom - Laraine Newman
- Wickersham Guard 2 - Tim Nordquist
- Angela - Colleen O'Shaughnessey
- Jessica - Laura Ortiz
- The Dentist - Joe Pasquale
- Who Child#1 - Connor Anderson
Additional Voices
- Isabella Acres
- Bob Bergen
- Jeff Biancalana
- Madison Davenport
- Teresa Ganzel
- Kathy Graves
- Sherry Lynn
- Danny Mann
- Mona Marshall
- Mickie McGowan
- Madison Pettis
- Grace Rolek
- Jennessa Rose
- Ariel Winter
