Release date: March 3, 2008 More »

Country	Date
USA	March 3, 2008
Argentina	March 13, 2008
Chile	March 13, 2008
Germany	March 13, 2008
Russia	March 13, 2008
Singapore	March 13, 2008
Ukraine	March 13, 2008
Brazil	March 14, 2008
Bulgaria	March 14, 2008
Canada	March 14, 2008
Colombia	March 14, 2008
Denmark	March 14, 2008
Estonia	March 14, 2008
Iceland	March 14, 2008
Indonesia	March 14, 2008
Mexico	March 14, 2008
Norway	March 14, 2008
Panama	March 14, 2008
Spain	March 14, 2008
Sweden	March 14, 2008
Venezuela	March 14, 2008
Belgium	March 19, 2008
Netherlands	March 19, 2008
Australia	March 20, 2008
Hong Kong	March 20, 2008
Hungary	March 20, 2008
Kuwait	March 20, 2008
Finland	March 21, 2008
UK	March 21, 2008
Philippines	March 22, 2008
Croatia	March 27, 2008
Egypt	April 2, 2008
France	April 2, 2008
Czech Republic	April 10, 2008
Greece	April 10, 2008
Israel	April 10, 2008
Poland	April 11, 2008
Thailand	April 17, 2008
Italy	April 18, 2008
Turkey	April 18, 2008
South Korea	May 1, 2008
Japan	July 12, 2008

Cast:

• Jim Carrey as Horton (voice)
• Steve Carell as The Mayor of Whoville (voice)
• Carol Burnett as Kangaroo (voice)
• Will Arnett as Vlad (voice)
• Seth Rogen as Morton (voice)
• Dan Fogler as Councilman / Yummo Wickersham (voice)
• Isla Fisher as Dr. Mary Lou Larue (voice)
• Jonah Hill as Tommy (voice)
• Amy Poehler as Sally O'Malley (voice)
• Jaime Pressly as Mrs. Quilligan (voice)
• Charles Osgood as Narrator (voice)
• Josh Flitter as Rudy (voice)
• Niecy Nash as Miss Yelp (voice)
• Jesse McCartney as JoJo (voice)
• Shelby Adamowsky as Hedy / Hooly / Additional Voices (voice)
• Jack Angel as Old Time Who / Additional Voices (voice)
• Caitlin Rose Anderson as Helen (voice)
• Emily Anderson as Heather (voice)
• Jan Rabson as Town Cryer / Additional Voices (voice)
• John Cygan as Who / Additional Voices (voice)
• Jess Harnell as Another Who / Additional Voices (voice)
• Debi Derryberry as Who Mom / Additional Voices (voice)
• Samantha Droke as Hildy / Holly (voice)
• Karen Disher as Who Kid (voice)
• Marshall Efron as Wickersham Guard #1 (voice)
• Bill Farmer as Willie Bear / Additional Voices (voice)
• Jason Fricchione as Joe (voice)
• Heather Goldenhersh as Who Girl / Additional Voices (voice)
• Selena Gomez as Helga (voice)
• Jimmy Hayward as Obnoxious Who (voice)
• Joey King as Katie (voice)
• Christina Martino as Heidi / Haley (voice)
• Ellie Martino as Hanna / Additional Voices (voice)
• Laraine Newman as Glummox Mom / Additional Voices (voice)
• Tim Nordquist as Wickersham Guard #2 (voice)
• Colleen O'Shaughnessey as Angela / Additional Voices (voice)
• Laura Ortiz as Jessica (voice)
• Joe Pasquale as The Dentist (voice)
• Isabella Acres as Additional Voices (voice)
• Mona Marshall as Additional Voices (voice)
• Connor Anderson as Additional Voices (voice)
• Mickie McGowan as Additional Voices (voice)
• Bob Bergen as Additional Voices (voice)
• Madison Pettis as Additional Voices (voice)
• Madison Davenport as Additional Voices (voice)
• Grace Rolek as Additional Voices (voice)
• Jennessa Rose as Additional Voices (voice)
• Teresa Ganzel as Additional Voices (voice)
• Ariel Winter as Additional Voices (voice)
• Danny Mann as Additional Voices (voice)
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About:

Horton the Elephant struggles to protect a microscopic community from his neighbors who refuse to believe it exists.
One day, Horton the elephant hears a cry from help coming from a speck of dust. Even though he can't see anyone on the speck, he decides to help it. As it turns out, the speck of dust is home to the Whos, who live in their city of Whoville. Horton agrees to help protect the Whos and their home, but this gives him nothing but torment from his neighbors, who refuse to believe that anything could survive on the speck. Still, Horton stands by the motto that, "After all, a person is a person, no matter how small." Written by Griffin84
In the jungle of Nool, the elephant Horton hears a voice in a speck; he uses a clover to rescue the speck of dust and he makes contact with the Mayor of Whoville. Horton discovers that in that tiny speck there is a city crowded with creatures and he decides to leave Whoville in a safe place. However, the evil Kangaroo does not believe Horton's story and thinks he's dangerous for the children of Nool, making them believe in what they can not see, hear or feel, and incites the animals against Horton. Written by Claudio Carvalho, Rio de Janeiro, Brazil