The Black Secret
Adventures of an American Secret Service-girl in search of an important German secret during the war.
- Genre: Actie, Avontuur
- Land: United States
- Regisseur: George B. Seitz
- Acteurs: Pearl White, Walter McGrail, Wallace McCutcheon Jr., George B. Seitz, Henry G. Sell, Marjorie Milton, Harry Semels, Francis Wightwick,