Jim Carrey
Mr. Popper
Pemeran
Carla Gugino
Amanda
Angela Lansbury
Mrs. Van Gundy
Ophelia Lovibond
Pippi
Madeline Carroll
Janie
Clark Gregg
Nat Jones
Jeffrey Tambor
Mr. Gremmins
David Krumholtz
Kent
Philip Baker Hall
Franklin
Maxwell Perry Cotton
Billy
James Tupper
Rick
Dominic Chianese
Reader
William Charles Mitchell
Yates
Henry Kelemen
Young Tommy Popper
Kelli Barrett
Tommy's Mom
Dylan Clark Marshall
Young Tommy Popper #2
Brian T. Delaney
Young Tom Popper, Sr. (voice)
Elaine Kussack
Gremmins's Secretary
