![4 Schlüssel](https://i0.wp.com/themoviedb.org/t/p/w185/rz7cVJtoYoJtpkchXTBleHelcls.jpg)
4 Schlüssel
- Genre: Thriller, Crime
- Country:
- Director: Jürgen Roland
- Cast: Günther Ungeheuer, Horst Michael Neutze, Jürgen Draeger, Walter Rilla, Monika Peitsch, Hellmut Lange, Paul Edwin Roth, Ellen Schwiers, Ida Krottendorf, Joseph Offenbach, Hanns Lothar, Christa Siems, Heinz Engelmann,