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Signpost to Murder is a 1965 American crime film directed by George Englund and written by Sally Benson based on the play by Monte Doyle. The film stars Joanne Woodward, Stuart Whitman, Edward Mulhare, Alan Napier, Joyce Worsley, and Leslie Denison. The film was released on May 19, 1965, by Metro-Goldwyn-Mayer.