Horton Hears a Who! is the new movie from filmmaker Jimmy Hayward, Steve Martino and with a script from Ken Daurio, Cinco Paul, based on the book by Dr. Seuss. VOICES: Jim Carrey (Horton), Steve Carell (Mayor of Whoville) play lead roles. 20th Century Fox will release Horton Hears a Who! in theaters on 2008-03-14.


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