The Ringer
1932
The Ringer is a 1932 Austrian-German mystery film directed by Martin Frič and Karel Lamač and starring Paul Richter, Maria Matray and Wera Engels. It is a screen adaptation of Edgar Wallace's 1925 novel The Ringer. Another German version, Der Hexer, was made in 1964. It was shot at the Sievering Studios in Vienna. The film's sets were designed by the art director Heinz Fenchel. imdb.com