The Black Secret
The Black SecretAdventures of an American Secret Service-girl in search of an important German secret during the war.
- Είδος: Δράση, Περιπέτεια
- Διευθυντής: George B. Seitz
- Ηθοποιοί: Pearl White, Walter McGrail, Wallace McCutcheon Jr., George B. Seitz, Henry G. Sell
- Χώρα: United States