The Unknown Quantity (1919)

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 ...

Thomas R. Mills

Director

F.R. Buckley

as Peter Kenwitz (as Frederick Buckley)

Huntley Gordon

as Dan Kinsolving

Corinne Griffith

as Mary Boyne

Jack McLean

as Sammy Boyne

Jack Ridgeway

as Thomas Boyne