The Unknown Quantity
(1919)

Released: 1919-04-14

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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.

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Huntley Gordon

as Dan Kinsolving

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Harry Davenport

as Septimus Kinsolving

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Jack McLean

as Sammy Boyne

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Jack Ridgeway

as Thomas Boyne

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F.R. Buckley

as Peter Kenwitz

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