Poster of The Unknown Quantity

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: Monday, April 14 1919
105 years ago
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Cast

Portrait of Corinne GriffithCorinne GriffithCorinne Griffith was 24 in The Unknown Quantity as 'Mary Boyne'.
Birthday: Wed, Nov 21 1894 –
Fri, Jul 13 1979
Portrait of Huntley GordonHuntley GordonHuntley Gordon was 31 in The Unknown Quantity as 'Dan Kinsolving'.
Birthday: Sat, Oct 08 1887 –
Fri, Dec 07 1956
Portrait of Harry DavenportHarry DavenportHarry Davenport was 53 in The Unknown Quantity as 'Septimus Kinsolving'.
Birthday: Fri, Jan 19 1866 –
Tue, Aug 09 1949
Portrait of Jack McLeanJack McLeanJack McLean was >> in The Unknown Quantity as 'Sammy Boyne'.
Birthday: Unknown Birthday
Portrait of Jack RidgewayJack RidgewayJack Ridgeway was >> in The Unknown Quantity as 'Thomas Boyne'.
Birthday: Unknown Birthday
Portrait of F.R. BuckleyF.R. BuckleyF.R. Buckley was >> in The Unknown Quantity as 'Peter Kenwitz'.
Birthday: Unknown Birthday

Crew

Portrait of Thomas R. MillsThomas R. MillsThomas R. Mills was 40 in The Unknown Quantity as 'Director'
Birthday: Thu, Jun 27 1878 –
Sun, Nov 29 1953
Portrait of G. Marion BurtonG. Marion BurtonG. Marion Burton was >> in The Unknown Quantity as 'Writer'
Birthday: Unknown Birthday
Portrait of O. HenryO. HenryO. Henry would have been no older than 47 in The Unknown Quantity as 'Story'
Birthday: Thu, Sep 11 1862 –
Sun, Jun 05 1910