To Have and Have Not (film) scenes, to underscore anti fascism in the story line of the film. A persistent myth is that a teenage Andy Williams, the future singing star, dubbed the singing for Bacall. According to authoritative sources, including Hawks and Bacall, this was not true. Williams and some female singers were tested to dub for Bacall because of fears she lacked the necessary vocal skills. But those fears were overshadowed by the desire to have Bacall do her own singing (perhaps championed by Bogart) despite her less than perfect vocal talent. This myth is disputed in "Leonard Maltin's Movie Guide" entry for this
To Have and Have Not (film) well as reducing Marie's drinking in the film. He also removed scenes in which Morgan appeared to be a murderer. Other additions included Marie becoming Morgan's sole romantic interest and Helen and her husband becoming fighters for the resistance. Finally, Faulkner made the time frame for the film three days instead of the many months depicted in the novel. Hawks intended to have the screenplay be loosely modeled on "Casablanca", which also starred Humphrey Bogart, hoping for the same success "Casablanca" had met at the box office. Production began on February 29, 1944, with only thirty-six pages of the screenplay