Cast & crew
Knastmusik (1991)
Directed by Peter Fratzscher
Cast
| Peter Bongartz | Heydt |
| Rolf Zacher | Fred |
| Diether Krebs | Bruno Klement |
| Dominique Horwitz | Krause |
| Dieter Pfaff | Alfred |
| Martin Semmelrogge | Ratz |
| Klaus Barner | Gefängnisdirektor |
| Tommi Piper | Erzähler |
Crew
| Peter Fratzscher | Director |