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
Original Story
Mark H. Baker
Screenplay
Matt MacManus
Producer
David Joseph
Dimitri Villard
Robert Wald
Editor
Jeff Gourson
John W. Hyde
Michael Burton
Set Designer
Thierry Coup
Underwater Camera
Jordan Klein Sr.
Still Photographer
James H. Armfield
Visual Effects Coordinator
Craig Boyajian
Visual Effects Supervisor
Peter Donen
Special Effects Supervisor
Jack Bennett
Valorie Massalas
Sound Designer
Dessie Markovsky
Sound Re-Recording Mixer
Robert J. Litt
Script Supervisor
Lillian O. MacNeill
Production Design
William J. Creber
Art Direction
Michael Novotny
Set Decoration
Scott Jacobson
Music Editor
Kenneth Karman
Jane Feinberg
Steve Maslow
Ron Goodman
ADR & Dubbing
Jim Borgardt
Hairstylist
Diana Johnson
Construction Coordinator
Gabriel C. Ell
Gaffer
Gary Holt
Elliot Tyson
Emile Razpopov
Costume Design
Mary Lou Byrd
Stunt Double
Courtney Brown
Sound Recordist
Walter A. Gest
Tim Webb
First Assistant Director
Peter Bogart
Production Manager
Malcolm R. Harding
Second Assistant Director
Randall Badger