Target Earth (1954)

Director: Sherman A. Rose
Cast: Arthur Space, Kathleen Crowley, Mort Marshall, Richard Denning, Richard Reeves, Robert Roark, Virginia Grey, Whit Bissell

Synopsis:

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.