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The working title of this film was Death from the Sanskrit. In the onscreen credits, the title Quiet Please Murder is written in form of a library sign, with no punctuation. Some contemporary sources, however, list the film as Quiet, Please-Murder. According to Hollywood Reporter news items, Walter Bullock and Robert Lively were assigned to work on the picture's screenplay, but the extent of their contributions to the completed film has not been determined. A July 14, 1942 Hollywood Reporter news item stated that the picture was based on "an original" by James O'Hanlon, but no other source mentioning his involvement in the film has been found. Hollywood Reporter also noted that the film was originally to star Milton Berle, and that Richard Denning was borrowed from Paramount for the production. The film marked the directorial debut of writer John Larkin.