A sister and her disturbed twin are implicated in a murder and a police detective must figure out which one's the killer.
Terry Collins / Ruth Collins
Dr. Scott Elliott
Lt. Stevenson
Rusty
Dist. Atty. Girard
Franklin
Mrs. Didriksen
George Benson
Nightclub Patron (uncredited)
Mrs. O'Brien (uncredited)
District attorney's secretary (uncredited)
Miss Beade (uncredited)
Waiter (uncredited)
Photo-double (uncredited)
Sergeant Temple (uncredited)
Janitor O'Brien (uncredited)
Policeman (uncredited)
Dumb cop (uncredited)
Police Lieutenant (uncredited)
Intern (uncredited)
