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The Unknown Quantity

The Unknown Quantity (1919)

Full Cast & Crew

Movie Page
PersonTypeJobRole(s)

O. Henry
CrewWritingStory

Thomas R. Mills
CrewDirectingDirector

G. Marion Burton
CrewWritingWriter

Corinne Griffith
CastActressMary Boyne

Harry Davenport
CastActorSeptimus Kinsolving

Huntley Gordon
CastActorDan Kinsolving

Jack Ridgeway
CastThomas Boyne

Jack McLean
CastSammy Boyne

F.R. Buckley
CastPeter Kenwitz
PersonTypeJobRole(s)
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