THE MALTESE FALCON: Detective Sam Spade (Humphrey Bogart) wants to find out who'll take the fall for his partner's murder. Sydney Greenstreet, Mary Astor, Peter Lorre and Elisha Cook Jr. co-star. This work is directed and written for the screen by John Huston. THE BIG SLEEP: L.A. private eye Philip Marlowe (Humphrey Bogart) takes on a blackmail case. Lauren Bacall costars in Howard Hawks' direction of Raymond Chandler's novel. DIAL M FOR MURDER: Hitchcock's screen version of Frederick Knott's stage hit casts Grace Kelly, Ray Milland and Robert Cummings. She loves Cummings. THE POSTMAN ALWAYS RINGS TWICE: Based on the novel by James M. Cain, this film noir stars John Garfield and Lana Turner.