Det Hemmelighedsfulde X
| Category | Feature Film |
| Genre | Drama, Mystery |
| Country | Denmark |
| Premiere | 1914-03-23 |
| Cast | Benjamin Christensen (as Løjtnant van Hauen) |
| Director, Writer | Benjamin Christensen |
| Links | https://www.dfi.dk/viden-om-film/filmdatabasen/film/det-hemmelighedsfulde-x · https://www.imdb.com/title/tt0004066 |
Added by MBJensen