The sleuth (Anthony Hulme) is called in to smash a smuggling ring. Joy Shelton. Diana: Tamara Desni. Sir Graham: Jack Raine. Miss Marchmont: Beatrice Varley. Ruby: Olive Sloane. Milton: Hylton Allen. Mrs. Neddy: Maire O'Neill. Dixie: Michael Golden. Dale: Richard Shayne. John Argyle directed.