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The working titles of this film were The Man, Day Without End, The Ragged Edge and One False Move. According to a November 1950 Hollywood Reporter item, Farley Granger originally was to co-star with Ida Lupino in the picture. Norman Cook was announced as production manager in the same item, but his contribution to the completed film has not been confirmed. Although reviews stated that Beware, My Lovely marked scenic designer Harry Horner's directorial debut, his first film was the United Artists 1952 release Red Planet Mars (see below). A version of Mel Dinelli's play, starring Thelma Ritter and Audie Murphy, was broadcast on the Ford Startime NBC television program on January 7, 1960.