The Unknown Quantity
- Afọ: 1919
- Mba: United States of America
- Dị: Drama
- .Lọ nka: Vitagraph Company of America
- Isiokwu: lost film
- Onyeisi: Thomas R. Mills
- Nkedo: Corinne Griffith, Huntley Gordon, Harry Davenport, Jack McLean, Jack Ridgeway, F.R. Buckley
