how could i have almost forgot --- la jetée
For B&W, Carol Reed's The Third Man; Orson Welles' Touch of Evil and Othello and Magnificent Ambersons; Stanley Kubrick's Paths of Glory and the Killing, and anything by Fritz Lang. Color anything by Werner Herzog, especially Nosferatu and Fitzcarraldo, and Roman Polanski, especially the Tenant and Macbeth, and most David Lynch.
Bookmarks