- Country: West Germany
- Genres: Crime, Horror, Mystery
- Release: 1963-06-21
- Director: Harald Reinl
- Writers: Bryan Edgar Wallace , Gustav Kampendonk , Ladislas Fodor
- Language: German
- Stars: Karin Dor , Harry Riebauer , Rudolf Fernau , Hans Nielsen , Dieter Eppler , Hans Reiser , Richard Häussler , Peter Nestler , Gerhard Hartig , Albert Bessler
- Runtime: 89 min
- Awards: N/A
- AKA: The Strangler of Blackmoor Castle (United States of America) , Blackmooren kuristaja (Finland) , Lo strangolatore dalle 9 dita (Italy) , Der Würger von Schloß Blackmoor , Der Würger von Schloß Blackmoor (Germany) , Kvæleren fra Blackmoor (Denmark) , Le Mystère du château de Blackmoor (France, French Republic) , Le mystère du château de Blackmoor (Belgium) , Stryparen från Blackmoor (Sweden) , Υπό την απειλήν του μασκοφόρου (Greece) , De Wurger (Belgium) , L'Etrangleur (Belgium) , Der Würger von Schloß Blackmoor
- Plot: 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.
- IMDB:tt0057692
The Strangler of Blackmoor Castle Cast · · · ALL
Harald Reinl
Director
Karin Dor
Claridge Dorsett
Harry Riebauer
Inspector Jeff Mitchell
Ingmar Zeisberg
Judy
Walter Giller
Lord Edgar Blackmoor
Rudolf Fernau
Lucius Clark
Hans Nielsen
Tavish
Dieter Eppler
Anthony, the butler
Hans Reiser
Mike Pierce
Richard Häussler
Dr. Tromby
Albert Bessler
Gärtner Sebastian
Peter Nestler
Tom
Gerhard Hartig
Watson
Carl de Vogt
Doctor
Stephan Schwartz
Philip 'Phips'
Werner Schott
Egon Vogel