Retired detective inspector Keith Kendrick is to commit the perfect murder and collect 20,000 pounds for it! The shrewd old fox from Scotland Yard can hardly believe it...
| Actor | Role |
|---|---|
 Siegfried LowitzInspector Edward Keith-Kendrick | Inspector Edward Keith-Kendrick |
 Harald DietlInspector Olney | Inspector Olney |
 Ruth-Maria KubitschekLady Alice | Lady Alice |
 Günter MackDr. Plummer | Dr. Plummer |
 Katinka HoffmannMary Cole | Mary Cole |
| AAnaid IplicjianDolly Manticore | Dolly Manticore |
| UUlrich PoppTimothy Cole | Timothy Cole |
| JJutta KammannEllen Derry | Ellen Derry |