Gun Crazy (also known as Deadly Is the Female) is a 1950 film noir feature film directed by Joseph H. Lewis, and produced by Frank King and Maurice King. The production features Peggy Cummins and John Dall in a story about the crime-spree of a gun-toting husband and wife.The screenplay by blacklisted writer Dalton Trumbo—credited to Millard Kaufman because of the blacklist—and by MacKinlay Kantor was based upon a short story by Kantor published in 1940 in The Saturday Evening Post.