Giant robots from Venus invade Chicago. Stranded in the deserted city are Frank and Nora (who has recently attempted suicide). They meet a celebrating couple at a café, Vicki Harris and Jim Wilson. The quartet escape the robot patrol and take refuge in a large hotel. There, they encounter a new danger in Davis, a psychopathic killer.
Richard Denning
as Frank Brooks
Kathleen Crowley
as Nora King
Richard Reeves
as Jim Wilson
Virginia Grey
as Vicki Harris
Robert Roark
as Davis
Mort Marshall
as Charles Otis
Arthur Space
as Lt. General Wood
Whit Bissell
as Tom
Herman Cohen
as Martin
Steve Pendleton
as Colonel
Jeffrey Sayre
as Army Staff Officer
