Joey Cramer

David Scott Freeman

Paul Reubens

Max (voice)

Veronica Cartwright

Helen Freeman

Cliff DeYoung

Bill Freeman

Sarah Jessica Parker

Carolyn McAdams

Matt Adler

Jeff (16 years)

Howard Hesseman

Dr. Louis Faraday

Robert Small

Troy

Jonathan Sanger

Dr. Carr

Richard Liberty

Mr. Howard

Raymond Forchion

Detective Banks

Cynthia Caquelin

Woman Officer

Ted Bartsch

Night Guard Brayton

Brigid Cleary

Technician #2

Michael Strano

Technician #3

Parris Buckner

Scientist #1

Robyn Peterson

Scientist #2

Philip Hoelcher

NASA Officer

Julio Oscar Mechoso

Hangar Guard #1

Butch Raymond

Hangar Guard #2

Chase Randolph

Lieutenant King

John Archie

Agent #1

Tony Calvino

Agent #2

Rusty Pouch

Gas Station Attendant

Robert Goodman

Tourist Man

Peter Lundquist

Newscaster #1

Jill Beach

Newscaster #2

Kenneth Ian Davis

Kid in Mustang

Arnie Ross

NASA Technician

Fritz Bronner

NASA Technician

Albie Whitaker

Jeff 8 year

Tony Tracy

Observation Guard

James Glennon

Director of Photography

Alan Silvestri

Original Music Composer

Mark H. Baker

Original Story

Matt MacManus

Screenplay

David Joseph

Producer

Jonathan Sanger

Executive Producer

Dimitri Villard

Producer

Robert Wald

Producer

Randal Kleiser

Director

Jeff Gourson

Editor

John W. Hyde

Executive Producer

Michael Burton

Screenplay

Mark Damon

Executive Producer

Thierry Coup

Set Designer

Jordan Klein Sr.

Underwater Camera

James H. Armfield

Still Photographer

Craig Boyajian

Visual Effects Coordinator

Mike Fenton

Casting

Peter Donen

Visual Effects Supervisor

Jack Bennett

Special Effects Supervisor

Valorie Massalas

Casting

Dessie Markovsky

Sound Designer

Robert J. Litt

Sound Re-Recording Mixer

Lillian O. MacNeill

Script Supervisor

William J. Creber

Production Design

Michael Novotny

Art Direction

Scott Jacobson

Set Decoration

Kenneth Karman

Music Editor

Jane Feinberg

Casting

Robert Wald

Sound Designer

Steve Maslow

Sound Re-Recording Mixer

Ron Goodman

Camera Operator

Jim Borgardt

ADR & Dubbing

Diana Johnson

Hairstylist

Gabriel C. Ell

Construction Coordinator

Craig Haagensen

Camera Operator

Gary H. Holt

Gaffer

Elliot Tyson

Sound Re-Recording Mixer

Emile Razpopov

Sound Designer

Mary Lou Byrd

Costume Design

Courtney Brown

Stunt Double

Walter A. Gest

Sound Recordist

Tim Webb

Sound Recordist

Peter Lyons Collister

Second Unit Director of Photography

Peter Bogart

First Assistant Director

Malcolm R. Harding

Production Manager

Randall Badger

Second Assistant Director