1890-1976. Austrian film director whose films are characterized by a strong sense of social realism. His German movies include Metropolis 1927, the sensational M 1931 in which Peter Lorre starred as a child-killer, and the series of Dr Mabuse films, after which he fled from the Nazis to Hollywood 1936. His US films include Fury 1936, You Only Live Once 1937, Scarlet Street 1945 and Rancho Notorious 1952, and The Big Heat 1953. He returned to Germany and directed a third picture in the Dr Mabuse series 1960.