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The studio used stock footage from Kay Francis' 1935 film I Found Stella Parish. Warner Bros. records indicate that Comet Over Broadway began as an "A" picture, but when directors William Keighley and Edmund Goulding turned it down, the project was shelved. Then Bryan Foy took over the production in the "B" unit. Warner Bros. again shelved plans for production of the film when Bette Davis refused to play the lead. Miriam Hopkins was cast as the lead, but when she became ill, Kay Francis replaced her. Sybil Jason replaced Janet Chapman and John Farrow filled-in for Busby Berkeley while the latter was in the hospital. Screen credits list Faith Baldwin's story as the screenplay source. Studio correspondence, on the other hand, indicates that although the original script was based on Baldwin's story, Foy later abandoned that script and wrote an original story which he entitled Curtain Call, which was also the working title of the film. The producers returned to Baldwin's original title when the film was released.