Apple Trailers has the exclusive for the theatrical trailer for Dr. Seuss’ Horton Hears a Who, the animated film starring the voices of Jim Carrey and Steve Carell.

The 20th Century Fox Animation film, from the creators of Ice Age, has Carrey as the elephant Horton and Carell as the Mayor of Whoville.

The voice cast also includes Carol Burnett, Seth Rogen, Will Arnett, Isla Fisher, Dan Fogler, Amy Poehler, Dane Cook, Jaime Pressly, and Jonah Hill.

Horton Hears a Who hits theaters March 14, 2008.

Watch the theatrical trailer Apple in standard and high definition formats.