The Secret of Black Mountain (1917)
Rilis: Sep 21, 1917
Runtime: 1:47:31 menit
Genre: Barat
Bintang Aktor: Vola Vale, Philo McCullough, Charles Dudley, Frank Austin, Henry Crawford, Mignon Le Brun
Crew: Otto Hoffman (Director), Jackson Gregory (Story), E.D. Horkheimer (Supervisor of Production Resources), H.M. Horkheimer (Supervisor of Production Resources)