Horror Sci-Fi
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.
Directed by
Gene Fowler Jr.
Written by
Louis Vittes
Gloria Talbott
Marge Bradley Farrell
Jean Carson
Helen Rhodes
Ty Hardin
Mac Brody (as Ty Hungerford)
Tom Tryon
Bill Farrell
Bess Flowers
Wedding Guest (uncredited)
Valerie Allen
Francine - Hooker
Mary Treen
Mother Bradley (uncredited)
Ralph Manza
Ralph the Waiter (uncredited)
James Anderson
Weldon
Ken Lynch
Dr. Wayne
Harold Miller
Wedding Guest (uncredited)
Robert Ivers
Harry Phillips
Alan Dexter
Sam Benson
John Eldredge
Police Capt. H.B. Collins
Maxie Rosenbloom
Max Grady - Bartender
Darlene Fields
Caroline Hanks (uncredited)
Charles Gemora
Alien (uncredited)
Steve London
Charles Mason
Jack Orrison
Officer Schultz
Chuck Wassil
Ted Hanks
Tony Di Milo
Mr. Potter - Western Union Clerk (uncredited)
Sherry Staiger
First Girl (uncredited)
Helen Jay
Second Girl (uncredited)
Arthur Lovejoy
Minister (uncredited)
Joe Gray
Alien (uncredited)
Bob Simpson

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