Cast & crew
Härtetest (1978)
Directed by Hubert Hoelzke Written by Hubert Hoelzke, Wolfgang Held
Cast
| Giso Weißbach | |
| Frank Ciazynski | |
| Peter Zintner | |
| Jörg Panknin | |
| Roswitha Marks | |
| Frank-Otto Schenk | |
| Michael Narloch | |
| Bernd Storch |
Crew
| Horst Klewe | Director of Photography |
| Hubert Hoelzke | Director |
| Hubert Hoelzke | Writer |
| Wolfgang Held | Writer |
| Lothar Kehr | Music |