The Unknown Quantity (1919)
The Unknown Quantity (1919) - Draama Movies 50 minutes. . lost film
Released: Apr 14, 1919
Runtime: 50 minutes
Genre: Draama
Stars: Corinne Griffith, Huntley Gordon, Harry Davenport, Jack McLean, Jack Ridgeway, F.R. Buckley
Crew: O. Henry (Story), G. Marion Burton (Writer), Thomas R. Mills (Director)
