A private detective tries to find out how and why some convicts have mysteriously disappeared from the prison of Dartmoor.
| Directing | Rudolf Zehetgruber | Director |
| Writing | Victor Gunn | Novel |
| Production | Gero Wecker | Producer |
| Writing | Egon Eis | Writer |
| Camera | Werner M. Lenz | Director of Photography |
| Editing | Wolfgang Wehrum | Editor |
| Directing | Gundula Kutscher | Assistant Director |
| Sound | Peter Thomas | Original Music Composer |
| Art | Ernst H. Albrecht | Production Design |
| Art | Max Vorwerg | Production Design |
