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The Unknown Quantity hd.720p
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Mary Boyne, who made shirts at four dollars a week, had no place for love in her life - only despair and hate for the son of the man who had plunged her family into deepest distress. Peter Kenwitz loved Mary, but because he was a mathematician and a pessimist by trade, his love was as hopeless as her chance for happiness. | ||
| Title | : | The Unknown Quantity |
| Release Date | : | 1919-04-14 |
| Runtime | : | |
| Production Countries | : | United States of America, |
| Production Co. | : | Vitagraph Company of America |
| Genres | : | Drama, |
| Casts | : | Corinne Griffith, Huntley Gordon, Harry Davenport, Jack McLean, Jack Ridgeway, F.R. Buckley, |
| Plot Keywords | : | lost film, |
| Alternative Titles | : | |
