D'entre a suya filmografía, cal destacar bellas cintas como Monkey Business (1931, Norman Z. McLeod), Horse Feathers (1932, Norman Z. McLeod), Duck Soup (1933, Leo McCarey), A Night at the Opera (1935, Sam Wood), A Day at the Races (1937, Sam Wood), At the Circus (1939, Edward Buzzell), u A Night in Casablanca (1946, Archie Mayo).