| Director: | Andrzej Zulawski |
| Assistant director: | Eva-Maria Schönecker |
| Script supervisor: | Christiane Helle |
| Screenplay: | Andrzej Zulawski |
| Director of photography: | Bruno Nuytten |
| Camera operator: | Andrzej Jaroszewicz |
| Assistant camera: | Pascal Marti, Peter Kalisch |
| Still photography: | Ulrich Clauß |
| Set design: | Holger Gross |
| Prop master: | Wolfgang Kallnischkies, Peter Alteneder, Mario Stock |
| Costume design: | Ingrid Zoré |
| Costumes: | Helmut Preuss, Barbara Lutz |
| Make-up artist: | Ronaldo Abreu |
| Editing: | Suzanne Lang-Willar, Marie-Sophie Dubus |
| Assistant editor: | Sabine Prenczina, Jutta Omura |
| Sound: | Norman Engel, Karl-Heinz Laabs, Jacques Maumont |
| Special effects: | Daniel Braunschweig, Charles Assola |
| Stunts: | Willi Neuner, Miodrag Radević-Pigi |
| Music: | Andrzej Korzynski |
| | |
| Cast: | |
| Isabelle Adjani | Anna / Helen |
| Sam Neill | Mark |
| Margit Carstensen | Margit Gluckmeister |
| Heinz Bennent | Heinrich |
| Johanna Hofer | Heinrichs Mutter |
| Carl Duering | Kriminalbeamter |
| Shawn Lawton | Zimmermann |
| Michael Hogben | Bob |
| Maximilian Rüthlein | Mann mit den pinken Socken |
| Thomas Frey | Gefolgsmann |
| Leslie Malton | Sara |
| Ilse Bahrs | |
| Karin Mumm | |
| Herbert Chwoika | |
| Barbara Stanek | |
| Ilse Trautschold | |
| Harry Riebauer | |
| | |
| Production company: | Gaumont International S.A. (Neuilly) |
| in co-production with: | Oliane Productions S.A. (Paris), Soma-Film-Produktions GmbH (Berlin), Marianne Productions S.A. (Paris) |
| Producer: | Marie-Laure Reyre |
| Unit production manager: | Jean-José Richer |
| Shoot: | : Berlin |
| Length: | 127 min |
| Format: | 35mm, 1:1,66 |
| Picture/Sound: | Eastmancolor, Ton |
| Screening: | Uraufführung (FR): 25.05.1981, Cannes, IFF |
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