Cast & crew
Wide Open Marriage (1973)
Directed by Quirin Steiner Written by Quirin Steiner
Cast
| Puppa Armbruster | Colly |
| Elke Boltenhagen | Carola Schulz |
| Ulrike Butz | Gudrun |
| Michael Conti | Gay Reveler |
| Anne Graf | Sieglinde Hirsekorn |
| Marianne Gross | Passenger Watching Silhouette |
| Michel Jacot | Flinker Hirsch |
| Joanna Jung | Gerda |
| Heinz Kopitz | Grabowski |
| Karin Lorson | Hildegard |
| Rosl Mayr | Marie-Lou Fontaine |
| Kurt Meinicke | Ottokar |
| Josef Moosholzer | Fridobert |
| Gernot Möhner | Mittler |
| Klaus Münster | Shanna Jensen |
| Frank Nossack | Brauner |
| Dorothea Rau | Farmsen |
| Horst A. Reichel | State Trooper |
| Rinaldo Talamonti | Romero |
| Elisabeth Volkmann | Shanna Jensen |
| Monika Rohde |
Crew
| Quirin Steiner | Director |
| Quirin Steiner | Writer |
| Werner Kurz | Director of Photography |
| Hans Jürgen Kiebach | Production Design |
| Horst Hächler | Producer |