The Unknown Quantity (1919)
Back to mainCast (6)
Corinne Griffith
Mary Boyne
Huntley Gordon
Dan Kinsolving
Harry Davenport
Septimus Kinsolving
Jack McLean
Sammy Boyne
Jack Ridgeway
Thomas Boyne
F.R. Buckley
Peter Kenwitz
Crew (3)
Thomas R. Mills
Director
O. Henry
Story
G. Marion Burton
Writer