Jim Carrey Mr. Popper
David Krumholtz Kent
Carla Gugino Amanda
Angela Lansbury Mrs. Van Gundy
Madeline Carroll Janie
G.A. Aguilar Stunt Coordinator, Second Unit Director
Jeffrey Tambor Mr. Gremmins
Christopher T. Welch ADR Supervisor
Clark Gregg Nat Jones
Charleen Richards-Steeves ADR Mixer
Philip Baker Hall Franklin
Joseph D'Onofrio Random Man on Street
James Tupper Rick
Charles L. Campbell Old Tom Popper, Sr. (voice)
Ophelia Lovibond Pippi
Barry Wetcher Still Photographer
John A. Machione Unit Production Manager
Laura Harris Atkinson Dialogue Editor
Jeff Lima Freddy
Lee Moore Reginald
Richard E. Hollander Visual Effects Supervisor
Brian T. Delaney Young Tom Popper, Sr. (voice)
Dominic Chianese Reader
Liza D. Espinas First Assistant Editor
Kelli Barrett Tommy's Mom
Angel Caban Fishmonger
Blaise Corrigan Stunt Coordinator
James Chen Fish & Game Officer
Mark Waters Director, Executive Producer
Stephen A. Pope Stunt Coordinator
Doug Hemphill Sound Re-Recording Mixer
Olga Merediz Nanny
Daniel Stewart Sherman Zoo Security Guard
Peter Epstein Stunts
Joel Holland Video Assist Operator
William Charles Mitchell Yates
Ron Bartlett Sound Re-Recording Mixer
Ron Petagna Sr. Construction Coordinator
Ann Roth Costume Design
Sean Anders Screenplay
John Morris Screenplay
John G. Velez Gaffer
Daniel S. Irwin Dialogue Editor
Dylan Clark Marshall Young Tommy Popper #2
Scott Curtis Foley Mixer
Frank Ciornei Klaus
Bill Corso Makeup Artist
Alicia Stevenson Foley Artist
Piero Mura Sound Effects Editor
Johnny Gidcomb ADR Voice Casting
Jonathan Filley Co-Producer, Unit Production Manager
David Lucarelli ADR Recordist
Betsy Aidem Tavern Hostess
Aja Frary Stunt Double
Dawn Fintor Foley Artist
Julie Feiner Dialogue Editor
Elaine Kussack Gremmins's Secretary
Gary Cergol Graphic Designer
Mike Chock Sound Effects Editor
Mark Mangini Sound Designer, Sound Supervisor
Cynthia Kirchner Pulse Lounge Beautiful Girl (uncredited)
Chad Sayn Stunts
Charlie Marroquin Key Grip
John Davis Producer
Matthew Wolf Antarctic Friend (voice)
Dominic Colón Tito
Chris Beetem Young Developer
Charlie Semine Cop #2 (Quint)
Kathleen Chopin Casting
Andrew Stewart-Jones Animal Control Guy
Curtis Shumaker Sanitation Officer
Henry Kelemen Young Tommy Popper