The Unknown Quantity (1919) — drama film. Directed by Thomas R. Mills. Starring Corinne Griffith, Huntley Gordon, Harry Davenport, Jack McLean.
The Unknown Quantity offers interactive tools beyond traditional movie databases:
Drama · 8/10 · 50 min · 1919
The Unknown Quantity (1919) - a movie.
Related entry on Wikidata (Q27940689), public domain (CC0).