Det hemmelighedsfulde X
- Gore: 1914
- Nyika: Denmark
- Genre: Mystery, Drama
- Studio: Dansk Biograf Compagni
- Keyword: traitor, cruise, lieutenant, cruise ship
- Mutungamiriri: Benjamin Christensen
- Cast: Benjamin Christensen, Karen Sandberg, Fritz Lamprecht, Amanda Lund, Hermann Spiro, Svend Rindom