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Full Credits
The Black Secret
Cast
8 members
Pearl White
Evelyn Ereth
Walter McGrail
Ray McKay
George B. Seitz
German spy
Harry Semels
👤
Wallace McCutcheon Jr.
Frederick
👤
Henry G. Sell
👤
Marjorie Milton
👤
Francis Wightwick
Crew
3 members
Directing
George B. Seitz
Director
Writing
👤
Bertram Millhauser
Screenplay
👤
Robert W. Chambers
Story