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.
I Married a Monster from Outer Space is a 1958 American horror science fiction film from Paramount Pictures, produced and directed by Gene Fowler Jr., that stars Tom Tryon and Gloria Talbott. Paramount released the film as a double feature with The Blob.
