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The film's working titles were The Secret and One Man's Secret. According to a press release dated April 5, 1944, Ida Lupino, Paul Lukas and Sydney Greenstreet were to star in the film. A August 6, 1946 Hollywood Reporter news item reports that production closed on the film for several weeks due to Joan Crawford's illness with strep throat. The item also notes that Crawford asked to have director of photography Sid Hickox replaced. Joseph Valentine took over from Hickox after the latter had worked for 38 days. Although Joan Crawford appeared in a 1931 film of the same title, it is unrelated to this film. Crawford received an Academy Award nomination for Best Actress for her performance.