Horton Hears a Who!'s Cast and Crew

Find full cast and crew information for the program Horton Hears a Who!. Find actors and director of the program Horton Hears a Who!

Full Cast

List of all cast members for program Horton Hears a Who!. Select any member to see details info.

Jim Carrey (Horton (voice))

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Steve Carell (The Mayor of Whoville (voice))

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Carol Burnett (Kangaroo (voice))

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Will Arnett (Vlad (voice))

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Seth Rogen (Morton (voice))

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Dan Fogler (Councilman / Yummo Wickersham (voice))

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Isla Fisher (Dr. Mary Lou Larue (voice))

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Jonah Hill (Tommy (voice))

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Amy Poehler (Sally O'Malley (voice))

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Jaime Pressly (Mrs. Quilligan (voice))

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Charles Osgood (Narrator (voice))

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Josh Flitter (Rudy (voice))

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Niecy Nash (Miss Yelp (voice))

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Jesse McCartney (JoJo (voice))

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Selena Gomez (Helga (voice))

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Joey King (Katie (voice))

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Shelby Adamowsky (Hedy / Hooly / Additional Voices)

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Jack Angel (Old Time Who / Additional Voices)

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Caitlin Rose Anderson (Helen)

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Emily Anderson (Heather)

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Jan Rabson (Town Cryer / Additional Voices)

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John Cygan (Who / Additional Voices)

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Jess Harnell (Another Who / Additional Voices)

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Debi Derryberry (Who Mom / Additional Voices)

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Ariel Winter (Additional Voices (voice))

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Madison Davenport (Additional Voices (voice))

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Sherry Lynn (Additional Voices (voice))

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Mickie McGowan (Additional Voices (voice))

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Bob Bergen (Additional Voices (voice))

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