Lauren Bacall for "To Have and Have Not" (1944), Bacall was so nervous that, to minimize her quivering, she pressed her chin against her chest, faced the camera, and tilted her eyes upward. This effect, which came to be known as "The Look", became another Bacall trademark, along with her sultry voice. Bacall's character in the film used Slim Hawks' nickname "Slim", and Bogart used Howard Hawks' nickname "Steve". The on-set chemistry between the two was immediate according to Bacall. She and Bogart (who was married at the time to Mayo Methot) began a romantic relationship several weeks into shooting. Bacall's role
Lauren Bacall "The Petrified Forest", was performed as a live installment of "Producers' Showcase", a weekly dramatic anthology, featuring Bogart as Duke Mantee, Henry Fonda as Alan, and Bacall as Gabrielle, the part originally played in the 1936 movie by Bette Davis. Bogart had originally played the part on Broadway with the subsequent movie's star Leslie Howard, who had secured a film career for Bogart by insisting that Warner Bros. cast him in the movie instead of Edward G. Robinson; Bogart and Bacall named their daughter "Leslie Howard Bogart" in gratitude. In the late 1990s, Bacall donated the only known kinescope of