Die optische Industriegesellschaft oder darf's ein viertel Pfund mehr sein? (1983)
Directeur:
Riki Kalbe
écrivain:
Riki Kalbe
| Sound | Emil Hachfeld | Music |
| Editing | Riki Kalbe | Editor |
| Production | Ede Dülfer | Production Manager |
| Sound | Ulrike Isenberg | Sound |
| Crew | Riki Kalbe | Script |
| Sound | Ebba Jahn | Sound |
| Directing | Riki Kalbe | Director |
| Production | L. Wawiloff | Line Producer |
| Crew | Riki Kalbe | Cinematography |
| Lighting | Nora Bierich | Lighting Director |
| Writing | Riki Kalbe | Screenplay |