| Den hemmelighetsfulle leiligheten | |
| Director: | Tancred Ibsen |
| Starring: | Ola Isene Sonja Wigert |
| Runtime: | 75 minutes |
| Country: | Norway |
| Language: | Norwegian |
Den hemmelighetsfulle leiligheten (en|The Mysterious Apartment|) is a 1948 Norwegian drama film directed by Tancred Ibsen, starring Ola Isene and Sonja Wigert. The film is based on a short story by Kristian Elster. A bachelor in his forties buys an apartment owned by an artist who died a sudden death. The peculiar atmosphere of the place, and the sudden appearance of the artist's girlfriend, shakes the conservative man out of his habits.