- Country: West Germany
- Genres: Mystery, Thriller
- Release: 1965-12-17
- Director: Harald Reinl
- Writers: Edgar Wallace , J. Joachim Bartsch , Fred Denger
- Language: German
- Stars: Karin Dor , Harald Leipnitz , Siegfried Lowitz , Siegfried Schürenberg , Ilse Steppat , Dieter Eppler , Hartmut Reck , Kurt Waitzmann , Rudolf Schündler , Kurd Pieritz
- Runtime: 87 min
- Awards: N/A
- AKA: O dolofonos htypaei ti nyhta (Greece) , Edgar Wallace - Der unheimliche Mönch , Le Moine inquiétant (France, French Republic) , Зловещий монах , Der unheimliche Mönch , El encapuchado (Spain) , Der unheimliche Mönch , O Monge da Máscara Negra (Portugal, Portuguese Republic) , The Sinister Monk (United States of America)
- Plot: A hooded serial killer finds a novel way to murder his victims--he lashes them to death with a whip. The police try to track him down before any more murders occur.
- IMDB:tt0059846
The Sinister Monk Cast · · · ALL
Harald Reinl
Director
Karin Dor
Gwendolin
Siegfried Lowitz
Sir Richard
Harald Leipnitz
Inspector Bratt
Siegfried Schürenberg
Sir John
Eddi Arent
Smith
Dieter Eppler
Sir William
Hartmut Reck
Ronny
Rudolf Schündler
Alfons Short
Ilse Steppat
Lady Patricia
Kurt Waitzmann
Cunning
Kurd Pieritz
Monsieur d'Arol
Uta Levka
Lola
Dunja Rajter
Dolores
Susanne Hsiao
Mai Ling
Uschi Glas
Mary
Walter Echtz
Monk
Erik Radolf
Servant
Wilhelm Vorwerg
Notary
Alfred Schlageter
Man