The Unknown Quantity
- ବର୍ଷ: 1919
- ଦେଶ: United States of America
- ଶ re ଳୀ: Drama
- ଷ୍ଟୁଡିଓ: Vitagraph Company of America
- କୀ ଶବ୍ଦ |: lost film
- ନିର୍ଦ୍ଦେଶକ: Thomas R. Mills
- କାଷ୍ଟ୍: Corinne Griffith, Huntley Gordon, Harry Davenport, Jack McLean, Jack Ridgeway, F.R. Buckley
