Other Studios: B: Blue Sky Studios: Horton Hears A Who!

Blue Sky Studios, Twentieth Century Fox Animation, Twentieth Century-Fox Film Corporation

Distributed by:

 Twentieth Century-Fox Film Corporation

Cartoon Characters:

 Horton, The Mayor of Whoville, Kangaroo, Vlad, Morton, Councilman, Yummo Wickersham, Dr. Mary Lou Larue, Tommy, Sally O'Malley, Mrs. Quilligan, Rudy, Miss Yelp, JoJo, Hedy, Hooly, Old Time Who, Helen, Heather, Town Cryer, Who, Another Who, Who Mom, Hildy, Holly, Who Kid, Willie Bear, Joe, Who Girl, Helga, Obnoxious Who, Katie, Heidi, Haley, Hanna, Glummox Mom, Angela, Jessica, The Dentist, Wickersham Guards, Narrator.

Directed By

 Jimmy Hayward, Steve Martino.

Produced By

 Bob Gordon. (more).

Animated By

 Jeff Biancalana, Aja Bogdanoff, Heather Carpini, Scott Carroll, Rylan Davies, Nathan Engelhardt, Scott Farrell, Michael Galbraith, Leif Jeffers, Jeff Kim, Wesley Mandell, Jacob Patrick, Rebecca Perez, Amila Puhala, Patrik Puhala, Gregory Rizzi, Raymond Ross, Derek Rozmes, Becki Tower, Royce Wesley, WildOrca (Robin Luera). (more).

Written By

 Ken Daurio, Cinco Paul. (more).

Originally Released on March 14, 2008.

Originally Released Theatrically.

Running Time:

 88 minutes.

Color

U.S.A.