The full lineup of voice actors has been announced for 20th Century Fox Animation’s 2008 release of “Horton Hears a Who,” produced by Blue Sky Studios (Ice Age).

The all-star cast will include Jim Carrey as Horton and Carol Burnett as the Kangaroo who doesn’t believe Horton’s claims about life existing on a speck of dust. Along with them, the following stars will lend their voice to the film: Steve Carell, Seth Rogen, Will Arnett, Isla Fisher, Dan Fogler, Amy Poehler, Dane Cook, Jaime Pressly, and Jonah Hill.

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