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