Horton Hears a Who!

Horton Hears a Who! Cast

54 cast members · 38 with popularity data

Most Popular Horton Hears a Who! Cast Members

Selena Gomez is currently the most popular Horton Hears a Who! cast member online with a Attention Score of 8.3. 6 of 54 cast members rank in the top 1,000 actors online today. Updated August 22, 2026.

Dr. Mary Lou Larue (voice)

Kangaroo (voice)

Additional Voices (voice)

Sally O'Malley (voice)

Glummox Mom (voice)

Mrs. Quilligan (voice)

Councilman / Yummo Wickersham (voice)

Jesse McCartney

The Dentist (voice)

Additional Voices (voice)

Madison Davenport

Additional Voices (voice)

#10,950 overall

Willie Bear (voice)

#11,517 overall

Colleen O'Shaughnessey

#12,606 overall

Debi Derryberry

Who Mom (voice)

#12,915 overall

Miss Yelp (voice)

#13,335 overall

Another Who (voice)

#13,801 overall

Additional Voices (voice)

#13,854 overall

Additional Voices (voice)

#15,542 overall

Old Time Who (voice)

#17,774 overall

Additional Voices (voice)

#24,449 overall

#28,651 overall

Heather Goldenhersh

Who Girl (voice)

#30,175 overall

#30,900 overall

Obnoxious Who (voice)

#31,166 overall

Additional Voices (voice)

#31,573 overall

Town Cryer (voice)

#31,699 overall

Narrator (voice)

#33,967 overall

Additional Voices (voice)

#36,730 overall

Wickersham Guard 1 (voice)

#39,653 overall

Additional Voices (voice)

#41,076 overall

Who Kid (voice)

#50,268 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)

televisionstats.com