(2008)

Carol Burnett .... Kangaroo (speaking part)

Jim Carrey .... Horton (speaking part)

Steve Carell .... The Mayor (speaking part)

Will Arnett .... Vlad (speaking part)

Dan Fogler .... Yummo Wickersham (speaking part)

Isla Fisher .... Dr. Mary Lou Larue (speaking part)

Seth Rogen .... Morton (speaking part)

Amy Poehler .... Sally O'Malley (speaking part)

Jaime Pressly .... Mrs. Quilligan (speaking part)

Jonah Hill .... Tommy (speaking part)