Horton Hears a Who!

Horton Hears a Who! Cast

54 cast members · 38 with popularity data

Most Popular Horton Hears a Who! Cast Members

Joey King is currently the most popular Horton Hears a Who! cast member online with a Attention Score of 21.6. 6 of 54 cast members rank in the top 1,000 actors online today. Updated September 11, 2026.

Mrs. Quilligan (voice)

Kangaroo (voice)

Dr. Mary Lou Larue (voice)

Additional Voices (voice)

Sally O'Malley (voice)

The Dentist (voice)

Jesse McCartney

Glummox Mom (voice)

Councilman / Yummo Wickersham (voice)

Madison Davenport

Additional Voices (voice)

Additional Voices (voice)

Miss Yelp (voice)

#11,052 overall

Another Who (voice)

#12,259 overall

Colleen O'Shaughnessey

#12,974 overall

Debi Derryberry

Who Mom (voice)

#14,518 overall

Willie Bear (voice)

#14,685 overall

Additional Voices (voice)

#15,066 overall

Old Time Who (voice)

#19,890 overall

Additional Voices (voice)

#20,187 overall

Additional Voices (voice)

#22,260 overall

#27,361 overall

Narrator (voice)

#27,613 overall

Additional Voices (voice)

#28,903 overall

#29,405 overall

Town Cryer (voice)

#31,829 overall

Heather Goldenhersh

Who Girl (voice)

#34,143 overall

Obnoxious Who (voice)

#38,452 overall

Additional Voices (voice)

#40,213 overall

Additional Voices (voice)

#40,359 overall

Wickersham Guard 1 (voice)

#40,756 overall

Who Kid (voice)

#51,943 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