James Naremore's study of Max Ophuls' classic 1948 melodrama, Letter from an Unknown Woman, considers the film as an ensemble piece, discussing the backgrounds and typical styles of the film's many contributors--among them Viennese author Stephan Zweig, whose 1922 novella was the source of the picture; producer John Houseman, an ally of Ophuls who nevertheless made questionable changes to what Ophuls had shot; screenwriter Howard Koch, whose...