4 Schlüssel (1966)
Released: Jan 14, 1966
Runtime: 1:47:31 minutes
Stars: Günther Ungeheuer, Horst Michael Neutze, Jürgen Draeger, Walter Rilla, Monika Peitsch, Hellmut Lange
Crew: Jürgen Roland (Director), Konrad Elfers (Original Music Composer), Max Pierre Schaeffer (Novel), Thomas Keck (Screenplay), Richard Schüler (Director of Photography), Wolfgang Treu (Director of Photography)