The Unknown Quantity poster

The Unknown Quantity

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The Unknown Quantity — Plot

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.

  • Release date
  • April 14, 1919
  • Runtime
  • 50 min
  • Genres
  • Drama
  • Director
  • Thomas R. Mills

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The Unknown Quantity — Cast

Corinne Griffith photo Corinne Griffith Mary Boyne Huntley Gordon photo Huntley Gordon Dan Kinsolving Harry Davenport photo Harry Davenport Septimus Kinsolving Jack McLean photo Jack McLean Sammy Boyne Jack Ridgeway Thomas Boyne F.R. Buckley Peter Kenwitz

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