Apple.com Trailers: Horton Hears A Who
Watch the trailer and making of the animated movie Horton Hears A Who, about Horton the Elephant who struggles to protect a microscopic community from his neighbors who refuse to believe it exists.
IMDb: Horton Hears a Who!
Contains the full voice cast/character credits for the 2008 movie Horton Hears a Who!, based on Dr. Seuss' classic book of the same name. Starring Jim Carrey, Steve Carell, Carol Burnett, Will Arnett, Seth Rogen, Isla Fisher, and Jaime Pressly.