Name Voice
Horton - Jim Carrey
The Mayor of Whoville - Steve Carell
Kangaroo - Carol Burnett
Vlad - Will Arnett
Morton - Seth Rogen
Councilman/Yummo Wickersham - Dan Fogler
Dr. Mary Lou Larue - Isla Fisher
Tommy - Jonah Hill
Sally O'Malley - Amy Phoeler
Mrs. Quilligan - Jaime Pressly
Narrator - Charles Osgood
Rudy - Josh Flitter
Miss Yelp - Niecy Nash
JoJo - Jesse McCartney
Hedy/Hooly - Shelby Adamowsky
Helen - Caitlin Rose Anderson
Heather - Emily Anderson
Who Mom - Debi DerryBerry
Hildy/Holly - Samantha Droke
Willie Bear - Bill Farmer
Joe - Jason Fricchione
Helga - Selene Gomez
Katie - Joey King
Heidi/Haley - Christina Martino
Hanna - Ellie Martino
Angela - Colleen O'Shaughnessey
Jessica - Laura Ortiz
The Dentist - Joe Pasquale
Jim Carrey as Horton the Elephant - the titular character, faithful to protecting the Whos. He is friends with his students and a mouse named Morton. He is also kindhearted and stalwart. In the end, he and the jungle animals along with the Kangaroos help him get the Whos to Mt. Nool.
Steve Carell as Mayor Ned McDodd - the mayor of Whoville. He and Horton usually communicate with each other through a horn connected to a pipe. He has 97 kids (96 girls and 1 boy named Jojo) and a wife (Sally).
Carol Burnett as the Sour Kangaroo - the main antagonist. She thinks Horton is crazy and is worried it might rub off on the kids, including her son, Rudy. As the movie progresses, her aim starts to shift in crushing Horton's spirit and building her own reputation in the Jungle of Nool. She eventually realizes that Horton was right and she was wrong, and reforms in the end.
Will Arnett as Vlad Vladikoff - a vulture who is hired by Sour Kangaroo to get rid of the clover
Seth Rogen as Morton the Mouse - Horton's friend in the Jungle of Nool
Dan Fogler as the Councilman and Yummo Wickersham
Isla Fisher as Doctor Mary Lou LaRue - a teacher at Who University
Jonah Hill as Tommy
Amy Poehler as Sally O'Malley - Ned's wife and mother to Jojo and 96 daughters. She has doubts about her husband's actions about Whoville and Horton but believes him later
Jaime Pressly as Mrs. Quilligan
Charles Osgood as the Narrator
Josh Flitter as Rudy Kangaroo
Niecy Nash as Miss Yelp
Jesse McCartney as JoJo McDodd - The one and only son of Ned and Sally.
Steve carrel and Jim carry im not sure how to spell the last names but you can look this up online and find which one is which and the spelling
Jim Carrey
Jim Carrey
Steve Carrell
Jim Carey
Horton Hears a Who grossed $297,133,947 worldwide.
Horton Hears a Who grossed $154,529,439 in the domestic market.
you mean from horton hears a who? he's an elephant
G.
A who, from who vill, cries out to Horton.
Madison Pettis plays little roo.
Yes he was. The actor Seth Rogen does appear in the film called Horton Hears a Who!.He plays the voice of Morton.Horton Hears a Who! was released in the year 2008.
JoJo McDodd was voiced by Jesse McCartney .
Horton Hears a Who was released on 03/14/2008.
It is based on the Dr. Suess book, Horton hears a Who
The Production Budget for Horton Hears a Who was $85,000,000.
In "Horton Hears a Who," an example of alliteration is "bee-buzzed" when referring to the buzzing sound of the bee.
Horton Hears a Who grossed $297,133,947 worldwide.
i have seen a who it was in the movie Horton hears a who
Horton Hears a Who grossed $154,529,439 in the domestic market.
Jim Carrey
i have seen a who it was in the movie Horton hears a who