Die Schlüsselfrage
![Knastmusik (1989)](https://m.media-amazon.com/images/M/MV5BNjI2NGZkM2UtOTRmOS00NjllLWJhMGUtYTAxOTZlZDVmOWY5XkEyXkFqcGdeQXVyMzA3Njg4MzY@._V1_QL75_UY281_CR6,0,190,281_.jpg)
Photos
Karl Heinz Vosgerau
- Dr. Wilhelm Kaiser
- (as Karl-Heinz Vosgerau)
Eckhard Preuß
- Max Blank
- (as Eckhard Preuss)
Thomas Piper
- Narrator
- (voice)
Martin Semmelrogge
- Ratz
- (uncredited)
- Director
- Writer
- All cast & crew
- Production, box office & more at IMDbPro
Storyline
Details
Contribute to this page
Suggest an edit or add missing content