Will Ferrell
Ted (Man with the Yellow Hat) (voice)
Drew Barrymore
Maggie (voice)
David Cross
Junior (voice)
Eugene Levy
Clovis (voice)
Joan Plowright
Ms. Plushbottom (voice)
Dick Van Dyke
Mr. Bloomsberry (voice)
Frank Welker
George (voice)
Ed O'Ross
Ivan (voice)
Michael Chinyamurindi
Edu (voice)
Michael Sorich
"Seen It" Cab Driver (voice)
Billy West
Manager (voice)
Jeff Bennett
Salesman (voice)
Kath Soucie
Animal Control Receptionist (voice)
Clint Howard
Balloon Man (voice)
