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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 29, 2026
1
Seth Rogen
Morton (voice)
20.9
#50 overall
2
Will Arnett
Vlad (voice)
6.1
#410 overall
3
Jonah Hill
Tommy (voice)
5.7
#476 overall
4
Selena Gomez
Helga (voice)
5.7
#475 overall
5
Steve Carell
Mayor (voice)
5.6
#484 overall
6
Jim Carrey
Horton (voice)
5.4
#526 overall
7
Amy Poehler
Sally O'Malley (voice)
4.7
#693 overall
8
Carol Burnett
Kangaroo (voice)
4.5
#746 overall
9
Joey King
Katie (voice)
3.5
#1,164 overall
10
Isla Fisher
Dr. Mary Lou Larue (voice)
3.5
#1,169 overall
11
Jesse McCartney
JoJo (voice)
2.3
#2,241 overall
12
Jaime Pressly
Mrs. Quilligan (voice)
1.7
#3,158 overall
13
Ariel Winter
Additional Voices (voice)
1.7
#3,163 overall
14
Laraine Newman
Glummox Mom (voice)
1.2
#4,895 overall
15
Niecy Nash
Miss Yelp (voice)
1.0
#5,685 overall
16
Dan Fogler
Councilman / Yummo Wickersham (voice)
0.6
#9,293 overall
17
Madison Pettis
Additional Voices (voice)
0.6
#9,404 overall
18
Madison Davenport
Additional Voices (voice)
0.3
#13,554 overall
19
Jess Harnell
Another Who (voice)
0.3
#14,471 overall
20
Colleen O'Shaughnessey
Angela (voice)
0.3
#14,668 overall
21
Debi Derryberry
Who Mom (voice)
0.3
#14,989 overall
22
Teresa Ganzel
Additional Voices (voice)
0.3
#15,474 overall
23
Bill Farmer
Willie Bear (voice)
0.3
#16,426 overall
24
Bob Bergen
Additional Voices (voice)
0.2
#17,702 overall
25
Heather Goldenhersh
Who Girl (voice)
0.2
#18,786 overall
26
Josh Flitter
Rudy (voice)
0.2
#20,084 overall
27
Jack Angel
Old Time Who (voice)
0.2
#21,030 overall
28
Joe Pasquale
The Dentist (voice)
0.2
#21,079 overall
29
Mona Marshall
Additional Voices (voice)
0.2
#21,674 overall
30
John Cygan
Who (voice)
0.1
#30,099 overall
31
Charles Osgood
Narrator (voice)
0.1
#30,301 overall
32
Jan Rabson
Town Cryer (voice)
0.1
#32,149 overall
33
Isabella Acres
Additional Voices (voice)
0.1
#34,557 overall
34
Jimmy Hayward
Obnoxious Who (voice)
0.0
#38,636 overall
35
Grace Rolek
Additional Voices (voice)
0.0
#38,664 overall
36
Sherry Lynn
Additional Voices (voice)
0.0
#41,884 overall
37
Karen Disher
Who Kid (voice)
0.0
#44,071 overall
38
Marshall Efron
Wickersham Guard 1 (voice)
0.0
#44,022 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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