Lauren Bacall in the script was originally much smaller, but during filming, her part was revised multiple times to extend it into the lead part that it became in the released film. Once released, "To Have and Have Not" catapulted Bacall into instant stardom, and her performance became the cornerstone of her star image, the impact of which extended into popular culture at large, even influencing fashion, as well as film-makers and other actors. Warner Bros. launched an extensive marketing campaign to promote the picture and to establish Bacall as a movie star. As part of the public relations push, Bacall made
Lauren Bacall the 1950s by appearing as the leading lady in a string of films that won favorable reviews. Bacall was cast opposite Gary Cooper in "Bright Leaf" (1950). In the same year, she played a two-faced femme fatale in "Young Man with a Horn" (1950), a jazz musical co-starring Kirk Douglas, Doris Day, and Hoagy Carmichael. During 1951–1952, Bacall co-starred with Bogart in the syndicated action-adventure radio series "Bold Venture". In 1953, she starred in the CinemaScope comedy "How to Marry a Millionaire", a runaway hit among critics and at the box office. Directed by Jean Negulesco and co-starring Marilyn Monroe