The Unknown Quantity
- Tau: 1919
- Whenua: United States of America
- Momo: Drama
- Studio: Vitagraph Company of America
- Kupu matua: lost film
- Kaiwhakahaere: Thomas R. Mills
- Maka: Corinne Griffith, Huntley Gordon, Harry Davenport, Jack McLean, Jack Ridgeway, F.R. Buckley
