
| Directed by Jimmy Hayward Steve Martino Screenplay Ken Daurio Cinco Paul Dr. Seuss Produced by Audrey Geisel Bob Gordon Christopher Meledandri Chris Wedge Original Music by Audrey Geisel Bob Gordon Christopher Meledandri Chris Wedge | Cast Jim Carrey Horton (voice) Steve Carell The Mayor of Who-ville (voice) Jonah Hill (voice) Seth Rogen (voice) Dane Cook (voice) Jaime Pressly (voice) Isla Fisher (voice) Will Arnett (voice) Amy Poehler (voice) Dan Fogler Yummo (voice) Adewale Akinnuoye-Agbaje Town Crier (voice) Carol Burnett Kangaroo (voice) Josh Flitter Rudy (voice) Laura Ortiz Jessica Shelby Adamowsky The Mayor's Daughter Samantha Droke Mayor's Daughter (voice) |