- Director: Robert Hamer,
- Writer: John Dighton, Nancy Mitford, Robert Hamer, Roy Horniman,
- StarCast: Alec Guinness, Audrey Fildes, Cecil Ramage, Clive Morton, Dennis Price, Hugh Griffith, Joan Greenwood, John Penrose, Miles Malleson, Valerie Hobson,
- Producer: Hal Mason, Leigh Aman, Michael Balcon, Michael Relph,
Synopsis: When his mother eloped with an Italian opera singer, Louis Mazzini was cut off from her aristocratic family. After the family refuses to let her be buried in the family mausoleum, Louis avenges his mother's death by attempting to murder every family member who stands between himself and the family fortune. But when he finds himself torn between his longtime love and the widow of one of his victims, his plans go awry.