Genre: AnimationComedyFamilyAdventureFantasy
Runtime: 86 min
Average vote: 6.495
Release date: 2008-03-03
Director: Steve Martino
Director: Jimmy Hayward
Music: John Powell
Jim Carrey
as
Horton (voice)
Steve Carell
as
Mayor (voice)
Carol Burnett
as
Kangaroo (voic...
Will Arnett
as
Vlad (voice)
Seth Rogen
as
Morton (voice)
Dan Fogler
as
Councilman / Y...
Isla Fisher
as
Dr. Mary Lou L...
Jonah Hill
as
Tommy (voice)
Amy Poehler
as
Sally O'Malley...
Jaime Pressly
as
Mrs. Quilligan...
Charles Osgood
as
Narrator (voic...
Josh Flitter
as
Rudy (voice)
Niecy Nash-Bet...
as
Miss Yelp (voi...
Jesse McCartney
as
JoJo (voice)
Shelby Adamows...
as
Hedy / Hooly (...
Jack Angel
as
Old Time Who (...
Caitlin Rose A...
as
Helen (voice)
Emily Anderson
as
Heather (voice)
Jan Rabson
as
Town Cryer (vo...
John Cygan
as
Who (voice)
Jess Harnell
as
Another Who (v...
Debi Derryberry
as
Who Mom (voice)
Samantha Droke
as
Hildy / Holly ...
Karen Disher
as
Who Kid (voice)
Marshall Efron
as
Wickersham Gua...
Bill Farmer
as
Willie Bear (v...
Jason Fricchio...
as
Joe (voice)
Heather Golden...
as
Who Girl (voic...
Selena Gomez
as
Helga (voice)
Jimmy Hayward
as
Obnoxious Who ...
Joey King
as
Katie (voice)
Christina Mart...
as
Heidi / Haley ...
Ellie Martino
as
Hanna (voice)
Laraine Newman
as
Glummox Mom (v...
Tim Nordquist
as
Wickersham Gua...
Colleen O'Shau...
as
Angela (voice)
Laura Ortiz
as
Jessica (voice)
Joe Pasquale
as
The Dentist (v...
Connor Anderson
as
Who Child #1 (...
Isabella Acres
as
Additional Voi...
Bob Bergen
as
Additional Voi...
Jeff Biancalana
as
Additional Voi...
Madison Davenp...
as
Additional Voi...
Teresa Ganzel
as
Additional Voi...
Kathy Graves T...
as
Additional Voi...
Sherry Lynn
as
Additional Voi...
Danny Mann
as
Additional Voi...
Mona Marshall
as
Additional Voi...
Mickie McGowan
as
Additional Voi...
Madison Pettis
as
Additional Voi...
Grace Rolek
as
Additional Voi...
Jennessa Rose
as
Additional Voi...
Ariel Winter
as
Additional Voi...
Fletcher Sheri...
as
Jojo (singing ...