Jonah Hill voices Tommy

Jonah Hill voices Tommy

Jonah Hill lends his hilarious voice to Tommy, some sort of hippo like creature.
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Jaime Pressly voices Mrs. Quilligan

Jaime Pressly voices Mrs. Quilligan

The beautiful Jaime Pressly lends her voice to Mrs. Quilligan in Dr. Seuss' Horton Hears a Who!
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Jesse McCartney voices JoJo

Jesse McCartney voices JoJo

Singer / actor Jesse McCartney lends his voice to JoJo, the son of the mayor in Dr. Seuss' Horton Hears a Who!
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Jim Carrey voices Horton

Jim Carrey voices Horton

Jim Carrey lends his comedic voice to the title character, Horton, in Dr. Seuss' Horton Hears a Who!
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Horton Hears a Who! Movie Poster

Horton Hears a Who! Movie Poster

Horton Hears a Who! was a book written by Dr. Seuss. Now, of course, it's a hit movie.
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Horton Hears a Who! Quotes

The Mayor of Who-ville: They called me a boob! Do I look like a boob to you?
Miss Yelp: You don't want me to answer that.

Horton: I meant what I said, and I said what I meant.
Morton: [sighs] An elephant's faithful one hundred percent.
Horton: That's my code, my motto.