Summary One day locksmith Karl Maiwald accidentally discovers a special secret of the intercom on the desk of the chief secretary, which was installed in many rooms of the factory. With the help of a technical trick it's become a listening device. View more details
Directed : Wolfgang Petersen
Written : Max von der Grün
Stars : Günter Lamprecht Karl-Heinz von Hassel Dorothea Moritz Léonie Thelen
Genres : Drama
Release date : May 15, 1959
Countries of origin : West Germany
Language : German
Filming locations : Dortmund, North Rhine-Westphalia, Germany
Summary One day locksmith Karl Maiwald accidentally discovers a special secret of the intercom on the desk of the chief secretary, which was installed in many rooms of the factory. With the help of a technical trick it's become a listening device. View more details
Genres : Drama
Release date : May 15, 1959
Countries of origin : West Germany
Language : German
Filming locations : Dortmund, North Rhine-Westphalia, Germany
