Are Monta Bell and Mack Sennett both directors?
Monta Bell Monta Bell (February 5, 1891 – February 4, 1958) was an American film director, producer and screenwriter.
Russell Mack Russell Mack (November 11, 1892 – June 1, 1972) was an American vaudeville performer in the 1910s and a stage actor, film director, and producer in the 1920s and 1930s.