The Castle of Fu Manchu 1969 also known by its German title Die Folterkammer des Dr. Fu Man Chu, is the fifth and final Fu Manchu film with Christopher Lee portraying the title character. The spycrime film was filmed on location in Spain and Istanbul and originally released in West Germany in 1969. It was directed by Jess Franco and also stars Richard Greene as Nayland Smith and Howard MarionCrawford as Dr. Petrie. Its other titles are Assignment Istanbul and The Torture Chamber of Fu Manchu.
Airing onJanuary 1992 The Castle of Fu Manchu in its entirety, was riffed on the Comedy Central television show Mystery Science Theater 3000. SeasonEpisode 23.
Source: Wikipedia