Cast List

The following actors are featured in Dr. Seuss' Horton Hears a Who!

Jim Carrey Also starred in: Earth Girls Are Easy , Monty Python's Best Bits (Mostly) , Lemony Snicket's A Series of Unfortunate Events

Steve Carell Also starred in: Café Society (2016) , Last Flag Flying , IF

Will Arnett Also starred in: Play Lego Masters , BoJack Horseman , 30 Rock

Seth Rogen Also starred in: Freaks and Geeks , 50/50 , With Great Power: The Stan Lee Story

Isla Fisher Also starred in: Wedding Daze , Wedding Crashers , Back to the Outback

Amy Poehler Also starred in: Man of The Year , They Came Together (They Came Together) , Love, Gilda

More movies and TV shows at the American TV Listings Guide..