Cast & crew
4 Schlüssel (1966)
Directed by Jürgen Roland Written by Max Pierre Schaeffer, Thomas Keck
Cast
| Joseph Offenbach | Vater Mangold |
| Horst Michael Neutze | Charlie |
| Christa Siems | Haushälterin bei Crey |
| Heinz Engelmann | Polizei |
| Ellen Schwiers | Irene |
| Jürgen Draeger | Shanna Jensen |
| Hanns Lothar | Pur Hiss |
| Günther Ungeheuer | Alexander Varga |
| Hellmut Lange | Rolf Nygren |
| Walter Rilla | Rose |
| Monika Peitsch | Rose |
| Ida Krottendorf | Margarete Lorenz |
| Paul Edwin Roth | Konrad |
Crew
| Konrad Elfers | Original Music Composer |
| Wolfgang Treu | Director of Photography |
| Richard Schüler | Director of Photography |
| Max Pierre Schaeffer | Screenplay |
| Thomas Keck | Screenplay |
| Jürgen Roland | Director |
| Max Pierre Schaeffer | Novel |
| Susanne Paschen | Editor |