The Strangler of Blackmoor Castle

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

(uncredited)