Aliens from Outer Space are slowly switching places with real humans -- one of the first being a young man about to get married. Slowly, his new wife realizes something is wrong, and her suspicions are confirmed when her husband's odd behaviour begins to show up in other townspeople.
as Bill Farrell
as Marge Bradley Farrell
as Sam Benson
as Helen Rhodes
as Dr. Wayne
as Max Grady - Bartender
as Officer Hank Swanson
as Officer Schultz
as Police Capt. H.B. Collins
as Harry Phillips
as Ted Hanks
as Mac Brody (as Ty Hungerford)
as Francine - Hooker
as Mother Bradley (uncredited)
as Weldon
as Charles Mason
as Caroline Hanks (uncredited)
as Mr. Potter - Western Union Clerk (uncredited)
as First Girl (uncredited)
as Second Girl (uncredited)
as Minister (uncredited)
as Ralph the Waiter (uncredited)
as Alien (uncredited)
as Alien (uncredited)
as Wedding Guest (uncredited)
as Wedding Guest (uncredited)