Cast & crew
Kennwort Schmetterling (1981)
Directed by Claus Peter Witt
Cast
| Donata Höffer | Johanna |
| Lisa Kreuzer | Peek |
| Dietmar Mues | Peek |
| Dieter Laser | Melander |
| Gerd Baltus | Dejkstra |
| Peter Buchholz | Timmermanns |
| Hannes Messemer | Bouwmeester |
| Ulrich von Dobschütz | Ruyter |
| Gert Haucke | Van Guy |
Crew
| Claus Peter Witt | Director |