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.
Tom Tryon
Bill Farrell
Gloria Talbott
Marge Bradley Farrell
Alan Dexter
Sam Benson
Jean Carson
Helen Rhodes
Ken Lynch
Dr. Wayne
Maxie Rosenbloom
Max Grady - Bartender
Peter Baldwin
Officer Hank Swanson
Jack Orrison
Officer Schultz
