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Horton Hears a Who!
Cast
54 cast members · 38 with popularity data
Movie Stats
Top Cast
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Full Cast
Sorted by Buzz Score · April 22, 2026
1
Jonah Hill
Tommy (voice)
8.5
#198 overall
2
Selena Gomez
Helga (voice)
8.4
#202 overall
3
Joey King
Katie (voice)
6.8
#287 overall
4
Jim Carrey
Horton (voice)
5.9
#392 overall
5
Steve Carell
Mayor (voice)
5.8
#407 overall
6
Seth Rogen
Morton (voice)
4.8
#577 overall
7
Will Arnett
Vlad (voice)
4.2
#716 overall
8
Jesse McCartney
JoJo (voice)
3.8
#851 overall
9
Carol Burnett
Kangaroo (voice)
3.7
#921 overall
10
Amy Poehler
Sally O'Malley (voice)
3.4
#1,051 overall
11
Isla Fisher
Dr. Mary Lou Larue (voice)
3.3
#1,102 overall
12
Jaime Pressly
Mrs. Quilligan (voice)
1.9
#2,381 overall
13
Ariel Winter
Additional Voices (voice)
1.7
#2,668 overall
14
Laraine Newman
Glummox Mom (voice)
1.3
#3,421 overall
15
Niecy Nash
Miss Yelp (voice)
0.9
#4,824 overall
16
Madison Davenport
Additional Voices (voice)
0.8
#5,502 overall
17
Madison Pettis
Additional Voices (voice)
0.7
#6,132 overall
18
Dan Fogler
Councilman / Yummo Wickersham (voice)
0.6
#7,044 overall
19
Colleen O'Shaughnessey
Angela (voice)
0.3
#10,204 overall
20
Jess Harnell
Another Who (voice)
0.3
#10,449 overall
21
Bill Farmer
Willie Bear (voice)
0.3
#11,150 overall
22
Debi Derryberry
Who Mom (voice)
0.2
#11,559 overall
23
Josh Flitter
Rudy (voice)
0.2
#11,805 overall
24
Joe Pasquale
The Dentist (voice)
0.2
#12,062 overall
25
Bob Bergen
Additional Voices (voice)
0.2
#12,233 overall
26
Teresa Ganzel
Additional Voices (voice)
0.2
#13,935 overall
27
Jack Angel
Old Time Who (voice)
0.2
#14,196 overall
28
Mona Marshall
Additional Voices (voice)
0.1
#14,926 overall
29
Jan Rabson
Town Cryer (voice)
0.1
#18,542 overall
30
John Cygan
Who (voice)
0.1
#18,752 overall
31
Heather Goldenhersh
Who Girl (voice)
0.1
#19,687 overall
32
Isabella Acres
Additional Voices (voice)
0.1
#20,253 overall
33
Charles Osgood
Narrator (voice)
0.0
#21,494 overall
34
Sherry Lynn
Additional Voices (voice)
0.0
#21,879 overall
35
Grace Rolek
Additional Voices (voice)
0.0
#22,624 overall
36
Marshall Efron
Wickersham Guard 1 (voice)
0.0
#22,849 overall
37
Jimmy Hayward
Obnoxious Who (voice)
0.0
#22,875 overall
38
Karen Disher
Who Kid (voice)
0.0
#25,334 overall
39
Shelby Adamowsky
Hedy / Hooly (voice)
—
40
Caitlin Rose Anderson
Helen (voice)
—
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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