Director/a
Sherman A. Rose
DIRECTOR/A
Reparto (por orden de créditos)
Richard Denning
Frank Brooks
Kathleen Crowley
Nora King
Virginia Grey
Vicki Harris
Richard Reeves
Jim Wilson
Robert Roark
Davis, the Killer
Mort Marshall
Charles Otis
Arthur Space
Lt. General Wood
Whit Bissell
Tom, Chief research scientist
James Drake
Lieutenant
Steve Pendleton
Colonel
House Peters Jr.
Technician
Steve Calvert
Alien robot(uncredited)
Herman Cohen
Martin - Lab Technician(uncredited)
Jeffrey Sayre
Army Staff Officer(uncredited)