From Wikipedia the free encyclopedia Otto Karl Robert Wernicke 30 September 1893 Osterode am Harz 7 November 1965 was a German actor He was best known for his role as police inspector Karl Lohmann in the two Fritz Lang films M and The Testament of Dr Mabuse He was the first one to portray Captain Smith in the first official Titanic film Wernicke was married to a Jewish woman Only due to a special permit was he allowed to continue his work in Nazi Germany Description above from the Wikipedia article Otto Wernicke licensed under CCBYSA full list of contributors on Wikipedia