The Mysterious Mister X
The eccentric owner of a chateau, Lord Wilford, is fond of everything that is connected with criminal cases. His passion takes up so much time that even his secretary hardly has time to see her fiance. When mysterious letters arrive, announcing that a certain Mister X wants to steal a valu
Ralph Arthur Roberts
Annemarie Steinsieck
Hermann Thimig
Mady Rahl
Eugen Rex
Robert Jungk
Willi Schur