David Scott Freeman
Joey Cramer
Max (voice)
Paul Reubens
Detective Banks
Raymond Forchion
Woman Officer
Cynthia Caquelin
Night Guard Brayton
Ted Bartsch
Technician #2
Brigid Cleary
Technician #3
Michael Strano
Scientist #1
Parris Buckner
Scientist #2
Robyn Peterson
NASA Officer
Philip Hoelcher
Hangar Guard #1
Julio Oscar Mechoso
Hangar Guard #2
Butch Raymond
Helen Freeman
Veronica Cartwright
Lieutenant King
Chase Randolph
Agent #1
John Archie
Agent #2
Tony Calvino
Gas Station Attendant
Rusty Pouch
Tourist Man
Robert Goodman
Newscaster #1
Peter Lundquist
Newscaster #2
Jill Beach
Kid in Mustang
Kenneth Ian Davis
NASA Technician
Arnie Ross
Fritz Bronner
Bill Freeman
Cliff DeYoung
Jeff 8 year
Albie Whitaker
Carolyn McAdams
Sarah Jessica Parker
Jeff (16 years)
Matt Adler
Dr. Louis Faraday
Howard Hesseman
Troy
Robert Small
Dr. Carr
Jonathan Sanger
Mr. Howard
Richard Liberty
Director
Randal Kleiser
Casting
Mike Fenton
Executive Producer
Original Music Composer
Alan Silvestri
Mark Damon
Director of Photography
James Glennon
Camera Operator
Craig Haagensen
Second Unit Director of Photography
Peter Lyons Collister
Producer
David Joseph
Robert Wald
John W. Hyde
Original Story
Mark H. Baker
Editor
Jeff Gourson
Screenplay
Michael Burton
Dimitri Villard
Matt MacManus
Set Designer
Thierry Coup
Special Effects Supervisor
Jack Bennett
Jane Feinberg
Set Decoration
Scott Jacobson
Sound Designer
Emile Razpopov
Dessie Markovsky
Sound Re-Recording Mixer
Steve Maslow
Art Direction
Michael Novotny
Ron Goodman
ADR & Dubbing
Jim Borgardt
Valorie Massalas
Visual Effects Supervisor
Peter Donen
Construction Coordinator
Gabriel C. Ell
Music Editor
Kenneth Karman
Underwater Camera
Jordan Klein Sr.
Visual Effects Coordinator
Craig Boyajian
Gaffer
Gary Holt
Script Supervisor
Lillian O. MacNeill
Robert J. Litt
Production Design
William J. Creber
Hairstylist
Diana Johnson
Costume Design
Mary Lou Byrd
Elliot Tyson
Still Photographer
James H. Armfield
Stunt Double
Courtney Brown
Sound Recordist
Walter A. Gest
Tim Webb
Production Manager
Malcolm R. Harding
Second Assistant Director
Randall Badger
First Assistant Director
Peter Bogart