Dana Wynter, Larry Gates, King Donovan, Carolyn Jones, Jean Willes, Ralph Dumke, Virginia Christine, Tom Fadden, Kenneth Patterson, Guy Way, Kevin McCarthy, Eileen Stevens, Bobby Clark, Whit Bissell, Richard Deacon, Dabbs Greer, Sam Peckinpah
- Theatrical Release Date: February 5, 1956
Tagline: "Something is happening! Send your men of science quick!" The panic stricken cry went over the phone to Washington D. C. until the lines went dead!......
Synopsis: A small-town doctor learns that the population of his community is being replaced by emotionless alien duplicates.