Question: Do both Professor Mamlock (1938 Film) and The Black Torment films have the directors from the same country?
Sentence (from "Robert Hartford-Davis"): Robert Hartford-Davis (born William Henry Davis, 23 July 1923 – 12 June 1977) was a British born producer, director and writer, who worked on film and television in both in the United Kingdom and United States.
Relevant evidence: Yes