Zach Galligan

Character: Billy Peltzer

Phoebe Cates

Character: Kate Beringer

John Glover

Character: Daniel Clamp

Robert Prosky

Character: Grandpa Fred

Robert Picardo

Character: Forster

Christopher Lee

Character: Doctor Catheter

Haviland Morris

Character: Marla Bloodstone

Dick Miller

Character: Murray Futterman

Jackie Joseph

Character: Sheila Futterman

Gedde Watanabe

Character: Mr. Katsuji

Keye Luke

Character: Mr. Wing

Kathleen Freeman

Character: Microwave Marge

Don Stanton

Character: Martin

Dan Stanton

Character: Lewis

Shawn Nelson

Character: Wally

John Astin

Character: Janitor

Henry Gibson

Character: Employee Fired for Smoking

Rick Ducommun

Character: Clamp Center Security Guard

Julia Sweeney

Character: Peggy

Raymond Cruz

Character: Messenger

John Capodice

Character: Fire Chief

Isiah Whitlock, Jr.

Character: Fireman

Dean Norris

Character: SWAT Team Leader

Saachiko

Character: Newsstand Lady

May Quigley

Character: Hallway Employee

Tony Winters

Character: Hallway Employee

Jacque Lynn Colton

Character: Lady at Elevator

Stéphanie Menuez

Character: Clamp's Secretary

Gray Daniels

Character: TV Cameraman

Dale Swann

Character: Clamp Center Surveillance Supervisor

Charles S. Haas

Character: Casper

Jeff Swanson

Character: Forster's Assistant

Page Hannah

Character: Tour Guide #1

Liz Pryor

Character: Tour Guide #2

Vladimir Bibic

Character: Taxi Driver

Sarah Lilly

Character: Reporter in Lobby

Frank P. Ryan

Character: Cop

Paul Bartel

Character: Theatre Manager

Belinda Balaski

Character: Movie Theater Mom

Nicky Rose

Character: Movie Theatre Kid

Kenneth Tobey

Character: Projectionist

Leonard Maltin

Character: Leonard Maltin

Hulk Hogan

Character: Hulk Hogan

Dick Butkus

Character: Dick Butkus

Bubba Smith

Character: Bubba Smith

Heidi Kempf

Character: TV Reporter

Eric Shawn

Character: TV Reporter

Michael Salort

Character: TV Reporter

Diane Sainte-Marie

Character: TV Reporter at Wing's

Kristi Witker

Character: TV Anchor in Bar

Archie Hahn

Character: Forster's Technician

Leslie Neale

Character: Forster's Technician

Ron Fassler

Character: Forster's Technician

Time Winters

Character: Forster's Technician

Heather Haase

Character: Yogurt Jerk

Jason Presson

Character: Yogurt Jerk

Lisa Mende

Character: Yogurt Customer

Patrika Darbo

Character: Yogurt Customer

Jerry Goldsmith

Character: Yogurt Customer

Howie Mandel

Character: Gizmo (voice)

Frank Welker

Character: Mohawk (voice)

Tony Randall

Character: Brain Gremlin (voice)

Mark Dodson

Character: Gremlins (voice)

Kirk R. Thatcher

Character: Gremlins (voice)

Neil Ross

Character: Announcer (voice)

Jeff Bergman

Character: Bugs Bunny / Daffy Duck / Porky Pig (voice)

Joe Dante

Character: Grandpa Fred Director (uncredited)

George Sasaki

Character: Pedestrian (uncredited)