The Strangler of Blackmoor Castle
A strangler is loose on a British estate, and he not only strangles his victims but brands an "M" onto their foreheads before he decapitates them.
| Actor | Role |
|---|---|
 Karin DorClaridge Dorsett | Claridge Dorsett |
 Harry RiebauerInspector Jeff Mitchell | Inspector Jeff Mitchell |
 Ingmar ZeisbergJudy | Judy |
 Walter GillerLord Edgar Blackmoor | Lord Edgar Blackmoor |
 Rudolf FernauLucius Clark | Lucius Clark |
 Hans NielsenTavish | Tavish |
 Dieter EpplerAnthony, the butler | Anthony, the butler |
 Hans ReiserMike Pierce | Mike Pierce |
 Richard HäusslerDr. Tromby | Dr. Tromby |
| AAlbert BesslerGärtner Sebastian | Gärtner Sebastian |
 Peter NestlerTom | Tom |
 Gerhard HartigWatson | Watson |
 Carl de VogtDoctor | Doctor |
 Stephan SchwartzPhilip 'Phips' | Philip 'Phips' |
| WWerner SchottNot listed | Not listed |
| EEgon Vogel(uncredited) | (uncredited) |