The Phantom's Secret (1917) is a Mystery, Crime film that follows at the death of Count de Beaulieu, his daughter Jeanne learns that her father had been the arch-criminal known as The Phantom. The only other person who knew her father's identity was his lieutenant, Franz Leroux, who now demands that Jeanne marry him in return for his silence. The Phantom's Secret is not currently listed with streaming providers in your selected region, but availability can change over time. Fans of mystery movies may also want to explore similar titles below.