
When socialite and heiress Julie Wardh begins receiving blackmail letters attributed to a mysterious serial killer, she suspects her cruel and sadistic former lover Jean is behind them. With her husband Neil frequently out of town, she falls into the arms of her friend's cousin George, and as the unknown assassin begins to make his move, she fears that one of the three men in her life may be the killer.

as Julie Wardh

as George Corro

as Jean

as Carol Brandt

as Dr. Arbe

as Commissioner

as Neil Wardh

as The Killer

as Inspector

as Victim Who Escapes from the Killer

as Spanish Doctor

as Party Guest

as Victim in the Shower

as Room Maid

as Neighbor (uncredited)

as Police Photographer (uncredited)

as Party Guest (uncredited)