Tom Mason
Dr. Scott Dryden
Eric Braeden
Leonard Nero
Melinda O. Fee
Gwendolyn O'Brien
Fawne Harriman
Joyce Cummings
Matthew Labyorteaux
Timmy Garner
Ron Masak
Harve Nelson
Caroline McWilliams
Sue Garner
John Milford
Eldon Gates
Max Gail
Russ Garner
Ed Harris
Chuck Polcheck
Hank Brandt
Lt. Col. John Sebastian
Laurence Haddon
Bert Fowler
Gerald McRaney
Patrolman Ashley
Curtis Credel
Frank Foley
Richard Lockmiller
Patrolman Strong
Sean G. Griffin
Dr. Conley
Christopher L. O'Brien
Technician
Tom Lowell
Intern
Nancy Priddy
Teacher
Lorna Thayer
Waitress
John Gilgreen
Floyd
Laurie Beach
Girl Student
Dirk Olthof
Waiter
Tom Pittman
Security Guard
Peter Schuck
Orderly
William Kerwin
Professor Reeve (uncredited)
Harvey Hart
The Aliens Are Coming
Released
Bande-annonce
