In ‘Horton Hears a Who!‘, Jim Carrey voices Horton the Elephant, Steve Carell voices the Mayor of Whoville, and Carol Burnett voices Kangaroo. The film follows Horton’s quest to protect a tiny community living on a speck of dust.
Main cast
- Horton the ElephantJim CarreyMain
- Mayor Ned McDoddSteve CarellMain
- KangarooCarol BurnettMain
Supporting cast
- Vlad VladikoffWill ArnettSupp
- Morton the MouseSeth RogenSupp
- Mrs. QuilliganAmy PoehlerSupp
- TommyJosh FlitterSupp
- RudyJesse McCartneySupp
- YelpNiecy NashSupp
- Miss YelpNiecy NashSupp
Guest & voice
- The Sour Kangaroo’s KidLaura OrtizVoice
- HedySelena GomezVoice
- KatieJoJo SiwaVoice
- AngieIsabella AcresVoice
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About this cast
Horton Hears a Who! is a 2008 computer-animated film based on Dr. Seuss’s book. The story centres on Horton, an elephant who discovers a microscopic world of Whoville and vows to protect it, voiced by Jim Carrey. The film features a star-studded voice cast including Steve Carell as the Mayor and Carol Burnett as the sceptical Kangaroo.
FAQs
Who plays Horton in Horton Hears a Who!?
Jim Carrey voices Horton the Elephant in the 2008 animated film.
Who is the voice of the Mayor in Horton Hears a Who!?
Steve Carell voices the Mayor of Whoville, Ned McDodd.
Who plays Kangaroo in Horton Hears a Who!?
Carol Burnett voices the Kangaroo, the main antagonist.
Is Horton Hears a Who! a TV series or a film?
It is a 2008 computer-animated film, not a TV series.
Who voices Vlad Vladikoff in Horton Hears a Who!?
Will Arnett voices Vlad Vladikoff, the vulture.
Sources & where to watch: IMDb · Wikipedia · Where to watch (JustWatch UK) · Updated June 2026