Aktorët

• Howie Mandel — Gizmo (voice)
• Zach Galligan — Billy Peltzer
• Phoebe Cates — Kate Beringer
• Robert Picardo — Forster
• Christopher Lee — Doctor Catheter
• Haviland Morris — Marla Bloodstone
• Jackie Joseph — Sheila Futterman
• Gedde Watanabe — Mr. Katsuji
• Keye Luke — Mr. Wing
• Kathleen Freeman — Microwave Marge
• Don Stanton — Martin
• Dan Stanton — Lewis
• Shawn Nelson — Wally
• Dick Miller — Murray Futterman
• Terry Bollea — Himself
• Frank Welker — Mohawk (voice)
• Belinda Balaski — Movie Theater Mom
• Julia Sweeney — Peggy
• Raymond Cruz — Messenger
• John Glover — Daniel Clamp
• Robert Prosky — Grandpa Fred
• Paul Bartel — Theatre Manager
• John Astin — Janitor
• Henry Gibson — Employee fired for Smoking
• Leonard Maltin — Himself
• Tony Randall — Brain Gremlin (voice)
• Rick Ducommun — Clamp Center Security Guard
• Jeff Bergman — Bugs Bunny / Daffy Duck / Porky Pig (voice)