6 Degrees of Troy McClure selects, in the Thriller category, Roman Polanski's noir masterpiece, Chinatown.
Fay Dunaway and Jack Nicholson star in the gritty, dark film set around the battle to bring water to Los Angeles. Robert Towne's script is an absolute masterpiece, earning the best screenplay award at the Oscars, Golden Globes, BAFTA, and Writer's Guild of America. The film also won the Golden Globe for best picture, and Nicholson and Polanski both won awards for their work. The AFI also routinely sites this as one of the best american films ever made.