Geheimnis um Burg Brethen
- Year : 1976
- Country : Germany
- Genre : Drama
- Studio : Dreamy-Film
- Keyword : based on novel or book
- Director : Bert Nosslar
- Cast : Ulrich Beiger, Hans Kahlert, Gerd Frickhöffer, Walter Ladengast, Oliver Tiebing, Jochen Paulmann