Horton Hears a Who!

Horton Hears a Who! Cast

54 cast members · 38 with popularity data

Most Popular Horton Hears a Who! Cast Members

Jim Carrey is currently the most popular Horton Hears a Who! cast member online with a Attention Score of 13.5. 4 of 54 cast members rank in the top 1,000 actors online today. Updated July 19, 2026.

Dr. Mary Lou Larue (voice)

Sally O'Malley (voice)

Kangaroo (voice)

Councilman / Yummo Wickersham (voice)

Additional Voices (voice)

Mrs. Quilligan (voice)

Glummox Mom (voice)

The Dentist (voice)

Jesse McCartney

Miss Yelp (voice)

Madison Davenport

Additional Voices (voice)

Additional Voices (voice)

Debi Derryberry

Who Mom (voice)

#14,063 overall

Another Who (voice)

#14,383 overall

Colleen O'Shaughnessey

#14,669 overall

Willie Bear (voice)

#16,685 overall

Additional Voices (voice)

#16,738 overall

Old Time Who (voice)

#18,055 overall

Additional Voices (voice)

#18,668 overall

Additional Voices (voice)

#20,676 overall

#25,306 overall

Narrator (voice)

#27,735 overall

Town Cryer (voice)

#30,010 overall

#31,393 overall

Heather Goldenhersh

Who Girl (voice)

#32,981 overall

Additional Voices (voice)

#34,707 overall

Additional Voices (voice)

#35,880 overall

Additional Voices (voice)

#39,465 overall

Obnoxious Who (voice)

#40,349 overall

Wickersham Guard 1 (voice)

#41,478 overall

Who Kid (voice)

#50,366 overall

Shelby Adamowsky

Hedy / Hooly (voice)

Caitlin Rose Anderson

Heather (voice)

Hildy / Holly (voice)

Jason Fricchione

Christina Martino

Heidi / Haley (voice)

Wickersham Guard 2 (voice)

Jessica (voice)

Connor Anderson

Who Child #1 (voice)

Jeff Biancalana

Additional Voices (voice)

Kathy Graves Toon

Additional Voice (voice)

Additional Voices (voice)

Additional Voices (voice)

Additional Voices (voice)

Fletcher Sheridan

Jojo (singing voice) (uncredited)

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