Das Geheimnis von D.14 Trivia
Das Geheimnis von D.14 was directed by Harry Piel.
Das Geheimnis von D.14 was produced by Max Maschke.
The key characters in Das Geheimnis von D.14 are cast (Fritz Kortner), Der alte Doktor Helfer (Fritz Russ), cast (Josef Schelepa).
Das Geheimnis von D.14 is a Mystery film.