TO HAVE AND HAVE NOT (1944) - World-weary Harry Morgan (Humphrey Bogart) changes his mind about helping the Free French when a sultry siren (19-year-old Lauren Bacall in her screen debut) comes along. Full of intrigue and racy banter, this is the thriller that brought Bogart and Bacall together. THE BIG SLEEP (1946) - L.A. private eye Philip Marlowe (Bogart) takes on a blackmail case and trails murderers, rogues, the spoiled rich and more. Bacall costars under Howard Hawks' brisk direction of William Faulkner, Leigh Brackett and Jules Furthman's ace adaptation of Raymond Chandler's novel. DARK PASSAGE (1947) - Bogart is a prison escapee framed for murder who emerges from plastic surgery with a new face. Bacall is his lone ally, and the chemistry between the leads is undeniable. Agnes Moorehead plays a supporting role as a venomous harpy in Delmer Daves' stylish film-noir thriller. KEY LARGO (1948) - Outside, a hurricane swells. Inside, a sadistic mobster (Edward G. Robinson) holds a hotel owner (Bacall), her invalid father-in-law (Lionel Barrymore) and an ex-GI (Bogart) at gunpoint in this classic from director John Huston (who cowrote the screenplay with Richard Brooks).