Paul Leni (8 July 1885 – 2 September 1929), born Paul Josef Levi, was a German filmmaker and a key figure in German Expressionist filmmaking, making Backstairs (Hintertreppe, 1921) and Waxworks (Das Wachsfigurenkabinett, 1924) in Germany, and The Cat and the Canary (1927), The Chinese Parrot (1927), The Man Who Laughs (1928), and The Last Warning (1929) in the U.S.