Cast & crew
De Geheimen van de Valkenhorst (1952)
Directed by P.R. Sasse van IJsselt
Crew
| Arie van der Lugt | Book |
| P.R. Sasse van IJsselt | Scenario Writer |
| P.R. Sasse van IJsselt | Director |
| P.R. Sasse van IJsselt | Producer |
| P.R. Sasse van IJsselt | Director |
| P.R. Sasse van IJsselt | Producer |
| P.R. Sasse van IJsselt | Scenario Writer |
| Arie van der Lugt | Book |