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Horton Hears a Who!

Horton Hears a Who! Cast

54 cast members · 38 with popularity data
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Sorted by Buzz Score · May 14, 2026
1
Steve Carell
Mayor (voice)
8.1
#275 overall
2
Selena Gomez
Helga (voice)
5.7
#534 overall
3
Jim Carrey
Horton (voice)
5.6
#550 overall
4
Seth Rogen
Morton (voice)
5.0
#662 overall
5
Jonah Hill
Tommy (voice)
4.3
#888 overall
6
Carol Burnett
Kangaroo (voice)
3.4
#1,272 overall
7
Will Arnett
Vlad (voice)
3.3
#1,350 overall
8
Ariel Winter
Additional Voices (voice)
3.3
#1,371 overall
9
Joey King
Katie (voice)
3.2
#1,393 overall
10
Isla Fisher
Dr. Mary Lou Larue (voice)
3.2
#1,410 overall
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11
Laraine Newman
Glummox Mom (voice)
3.2
#1,423 overall
12
Jaime Pressly
Mrs. Quilligan (voice)
3.2
#1,450 overall
13
Amy Poehler
Sally O'Malley (voice)
3.1
#1,525 overall
14
Jesse McCartney
JoJo (voice)
1.6
#3,703 overall
15
Niecy Nash
Miss Yelp (voice)
1.1
#5,410 overall
16
Debi Derryberry
Who Mom (voice)
0.6
#8,951 overall
17
Dan Fogler
Councilman / Yummo Wickersham (voice)
0.6
#8,990 overall
18
Madison Pettis
Additional Voices (voice)
0.5
#10,798 overall
19
Bill Farmer
Willie Bear (voice)
0.3
#15,186 overall
20
Jess Harnell
Another Who (voice)
0.3
#15,577 overall
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21
Madison Davenport
Additional Voices (voice)
0.3
#15,826 overall
22
Colleen O'Shaughnessey
Angela (voice)
0.3
#15,874 overall
23
Teresa Ganzel
Additional Voices (voice)
0.2
#18,278 overall
24
Joe Pasquale
The Dentist (voice)
0.2
#18,515 overall
25
John Cygan
Who (voice)
0.2
#20,843 overall
26
Bob Bergen
Additional Voices (voice)
0.2
#21,332 overall
27
Jack Angel
Old Time Who (voice)
0.2
#22,354 overall
28
Mona Marshall
Additional Voices (voice)
0.1
#24,899 overall
29
Heather Goldenhersh
Who Girl (voice)
0.1
#28,286 overall
30
Josh Flitter
Rudy (voice)
0.1
#29,421 overall
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31
Isabella Acres
Additional Voices (voice)
0.1
#29,979 overall
32
Charles Osgood
Narrator (voice)
0.1
#31,515 overall
33
Jimmy Hayward
Obnoxious Who (voice)
0.1
#32,266 overall
34
Grace Rolek
Additional Voices (voice)
0.1
#32,445 overall
35
Jan Rabson
Town Cryer (voice)
0.0
#36,023 overall
36
Marshall Efron
Wickersham Guard 1 (voice)
0.0
#41,549 overall
37
Sherry Lynn
Additional Voices (voice)
0.0
#41,451 overall
38
Karen Disher
Who Kid (voice)
0.0
#51,135 overall
39
Shelby Adamowsky
Hedy / Hooly (voice)
—
40
Caitlin Rose Anderson
Helen (voice)
—
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41
Emily Anderson
Heather (voice)
—
42
Samantha Droke
Hildy / Holly (voice)
—
43
Jason Fricchione
Joe (voice)
—
44
Christina Martino
Heidi / Haley (voice)
—
45
Ellie Martino
Hanna (voice)
—
46
Tim Nordquist
Wickersham Guard 2 (voice)
—
47
Laura Ortiz
Jessica (voice)
—
48
Connor Anderson
Who Child #1 (voice)
—
49
Jeff Biancalana
Additional Voices (voice)
—
50
Kathy Graves Toon
Additional Voice (voice)
—
51
Danny Mann
Additional Voices (voice)
—
52
Mickie McGowan
Additional Voices (voice)
—
53
Jennessa Rose
Additional Voices (voice)
—
54
Fletcher Sheridan
Jojo (singing voice) (uncredited)
—
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