Michael Harlan
John Stockwell
Ellie Sawyer
Danielle von Zerneck
Crystal
Pat Simmons
Jock #1
John Vidor
Jock #2
Vincent Barbour
Jock #3
Jaime Alba
President Eisenhower
Robert Beer
General
John Carter
General's Aide
Cameron Young
Secret Service Man
Noel Conlon
Sentry
Jackson Bostwick
Desk Sergeant
Robert DoQui
Vince Latello
Fisher Stevens
Fireman
Elven Havard
Librarian
Linda Hoy
Ellie's Friend
Robin Allyn
Mutant #1
Michael Berryman
Coy
Chuck Hemingway
Hall Monitor Ellie's Friend
Pamela Springsteen
Preppie
Matt Hoelscher
Sentry at Air Force Guardhouse
Jack O'Leary
Policewoman
Clare Peck
Wino
Joel Harrison
Sherman
Raphael Sbarge
Trucker's Wife
Ann Culotta
Neanderthal Man
Hank Calia
Guard #2 at Air Force Guardhouse
Scott Bailey Spangler
Alien (voice)
Frank Welker
Sorceress (uncredited)
Dawna Lee Heising
Vietnamese Soldier (uncredited)
Al Leong
Gerald Okamura
Detective Isadore Nulty
Richard Masur
Lew Harlan
Barry Corbin
Dolores
Ann Wedgeworth
Bob Roberts
Dennis Hopper
Irene
Candace Silvers
Matusky
Beau Dremann
Stunts
Bill Saito
Production Design
David L. Snyder
Sound Editor
Wayne Allwine
Sound Effects Designer
Alan Howarth
David M. Graves
Max Kleven
Director
Jonathan R. Betuel
Writer
Orchestrator
Alf Clausen
Glenn R. Wilder
Makeup Artist
Rick Baker
Joel Kramer
Michael Adams
Steven Lambert
Casting
Bill Shepard
Director of Photography
David M. Walsh
Zoltan Elek
Art Direction
John B. Mansbridge
Costume Design
Betsy Jones
Original Music Composer
Peter Bernstein
Makeup Effects
Lance Anderson
Set Decoration
Jerry Wunderlich
Editor
Carroll Timothy O'Meara
Producer
Jonathan T. Taplin
Associate Producer
E. Darrell Hallenbeck
Visual Effects Supervisor
John Scheele
First Assistant Director
Jerry Sobul
Property Master
David Q. Quick
ADR Editor
Al Maguire
Sound Re-Recording Mixer
Nick Alphin
Unit Production Manager
Assistant Art Director
Stephen Dane
Second Assistant Director
Carole Keligian
Assistant Editor
Mark Eggenweiler
Assistant Sound Editor
Edward Malone
Tom Gerard
Joe Parker
Sound
James E. Webb
Best Boy Electric
Ron Kenyon
Foley Artist
Paul Holzborn
First Assistant Camera
Michael Nash
Still Photographer
Ralph Nelson Jr.
Brian Mann
Camera Operator
Robert Edesa
Unit Publicist
Robert Werden
Construction Coordinator
Dennis DeWaay
David Spear
Joel Rosenbaum
Second Assistant Camera
Martin G. Beazell
Costume Supervisor
Jack Sandeen
Location Manager
Rolf Darbo
B. Scott Senechal
Key Grip
Richard Moran
Rex Pierson
Tracy Hutchinson
John Cade
David A. Whittaker
Supervising Sound Editor
Colin C. Mouat
James J. Isaacs
Music Editor
Curtis Roush
Music Supervisor
Jay Lawton
George Probert
Grip
Hugh Langtry
Costumer
Don Vargas
Larry Duran
Leadman
Nigel A. Boucher
Makeup Supervisor
Robert J. Schiffer
Alonzo Brown Jr.
Dolly Grip
Danny Boldroff
Hairstylist
KG Ramsey
Andy MacDonald
Lynne Bailey Smith
Gaffer
Norman Harris
Script Supervisor
Faye Brenner
Susie S. McEveety
Michael Cassidy
Walt La Rue
Anderson Martin