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 46.0. 6 of 54 cast members rank in the top 1,000 actors online today. Updated October 1, 2026.

Mrs. Quilligan (voice)

Sally O'Malley (voice)

Kangaroo (voice)

Dr. Mary Lou Larue (voice)

Additional Voices (voice)

Jesse McCartney

Glummox Mom (voice)

Miss Yelp (voice)

Councilman / Yummo Wickersham (voice)

Madison Davenport

Additional Voices (voice)

Additional Voices (voice)

#10,540 overall

Colleen O'Shaughnessey

#12,295 overall

Another Who (voice)

#12,550 overall

Willie Bear (voice)

#15,198 overall

The Dentist (voice)

#15,253 overall

Additional Voices (voice)

#15,916 overall

Debi Derryberry

Who Mom (voice)

#16,104 overall

Additional Voices (voice)

#17,223 overall

Additional Voices (voice)

#18,967 overall

Old Time Who (voice)

#20,255 overall

Narrator (voice)

#28,148 overall

#29,763 overall

Additional Voices (voice)

#29,917 overall

Town Cryer (voice)

#30,074 overall

#30,191 overall

Heather Goldenhersh

Who Girl (voice)

#33,008 overall

Obnoxious Who (voice)

#34,157 overall

Wickersham Guard 1 (voice)

#37,010 overall

Additional Voices (voice)

#38,898 overall

Additional Voices (voice)

#39,061 overall

Who Kid (voice)

#52,629 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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