The Sphinx
A man known to be a mute is suspected of committing a murder, as he was noticed at the scene. However, witnesses saw and heard him talking as he was leaving the scene of the crime. The police must determine if he is the actual killer or if he is being framed.
Ernie Adams, George 'Gabby' Hayes, Hooper Atchley, Jack Cheatham, Lillian Leighton, Lionel Atwill, Lucien Prival, Luis Alberni, Paul Fix, Paul Hurst, Robert Ellis, Sam Lufkin, Sheila Terry, Theodore Lorch, Theodore Newton, Wilfred Lucas