A private detective tries to find out how and why some convicts have mysteriously disappeared from the prison of Dartmoor.
| Actor | Role |
|---|---|
 Heinz DracheAnthony Nash | Anthony Nash |
 Paul KlingerInspektor Cromwell | Inspektor Cromwell |
 Ralf WolterO’Hara | O’Hara |
 Kai FischerBardame | Bardame |
 Mady RahlMrs. Simmons | Mrs. Simmons |
 Gerd FrickhöfferFletcher | Fletcher |
 Wolfgang VölzSergeant | Sergeant |
 Judith DornysJoyce Trevor | Joyce Trevor |
 Ingmar ZeisbergEvelyn Webster | Evelyn Webster |
 Friedrich JoloffMr. Simmons | Mr. Simmons |
 Dieter EpplerMr. Gray | Mr. Gray |
 Friedrich SchoenfelderSir James | Sir James |
 Stanislav LedinekBilly | Billy |
| FFritz EberthTrollope | Trollope |
 Gerhard HartigRitchie | Ritchie |