Passion wears a mask of terror in this strangest of all games!

A mysterious woman in black moves in with married Manhattan thrill-seekers and helps one trick the other.

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Main Cast: Simone Signoret, James Caan, Katharine Ross, Don Stroud, Kent Smith, Estelle Winwood, Marjorie Bennett, Ian Wolfe, Anthony Eustrel, Eloise Hardt

Director: Curtis Harrington

Writers: George Edwards, Gene R. Kearney, Curtis Harrington

Editor: Douglas Stewart

Cinematographer: William A. Fraker

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