The Unknown Quantity (1919)

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Below is the list of the top billed actors that worked in The Unknown Quantity. When you find the person you are looking for, click on the link to view a list of actors they have worked with.

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Corinne Griffith as Mary Boyne

Huntley Gordon as Dan Kinsolving

Has previous starred with Corinne Griffith (2 movies), Jack McLean (2 movies)

Harry Davenport as Septimus Kinsolving

Has previous starred with Corinne Griffith (2 movies)

Jack Ridgeway as Thomas Boyne

Frederick Buckley as Peter Kenwitz

Jack McLean as Sammy Boyne

Has previous starred with Corinne Griffith (2 movies)

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