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
Producer
Jonathan T. Taplin
Original Music Composer
Peter Bernstein
Editor
Carroll Timothy O'Meara
Art Direction
John B. Mansbridge
Director of Photography
David M. Walsh
Costume Design
Betsy Jones
Makeup Effects
Lance Anderson
Set Decoration
Jerry Wunderlich
Casting
Bill Shepard
Zoltan Elek
Visual Effects Supervisor
John Scheele
Associate Producer
E. Darrell Hallenbeck
Unit Production Manager
James J. Isaacs
Property Master
David Q. Quick
Second Assistant Director
Carole Keligian
Music Editor
Curtis Roush
First Assistant Director
Jerry Sobul
Assistant Art Director
Stephen Dane
David A. Whittaker
Supervising Sound Editor
Colin C. Mouat
Joe Parker
Foley Artist
Paul Holzborn
Sound Re-Recording Mixer
Nick Alphin
Makeup Supervisor
Robert J. Schiffer
Sound
B. Scott Senechal
Dolly Grip
Danny Boldroff
Still Photographer
Ralph Nelson Jr.
Assistant Editor
Mark Eggenweiler
Assistant Sound Editor
Edward Malone
Costumer
Don Vargas
Construction Coordinator
Dennis DeWaay
Andy MacDonald
Camera Operator
Robert Edesa
Alonzo Brown Jr.
Tom Gerard
Brian Mann
First Assistant Camera
Michael Nash
Hairstylist
KG Ramsey
ADR Editor
Al Maguire
Lynne Bailey Smith
Grip
Hugh Langtry
Gaffer
Norman Harris
Susie S. McEveety
Script Supervisor
Faye Brenner
George Probert
David Spear
Joel Rosenbaum
Second Assistant Camera
Martin G. Beazell
Leadman
Nigel A. Boucher
Costume Supervisor
Jack Sandeen
Music Supervisor
Jay Lawton
Best Boy Electric
Ron Kenyon
Key Grip
Richard Moran
Unit Publicist
Robert Werden
James E. Webb
Location Manager
Rolf Darbo
John Cade
Larry Duran
Tracy Hutchinson
Walt La Rue
Rex Pierson
Michael Cassidy
Anderson Martin