| Original title | Échappement libre |
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| Danish title | For fri udblæsning |
| International titles | Backfire |
| Other titles | Escape libre |
| Leikstjórn | Jean Becker |
| Screenplay | Jean Becker, Maurice Fabre, Didier Goulard, Luis Marquina, Claude Sautet |
| Based on | Roman af Clet Coroner. |
| Director of Photography | Edmond Séchan |
| Editor | Monique Kirsanoff |
| Composer | Gregorio García Segura, Martial Solal |
| Production designer | Antonio Cortés, Georges Wakhévitch |
| Appearance | Jean-Paul Belmondo, Jean Seberg, Enrico Maria Salerno |
| Land | Frankrig, Italien, Spanien, Tyskland |
| Domestic distribution | Palladium |
| Danish theatrical release | 13.07.1965 |
| Cinemas | Alexandra |
Companies |
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| Production company | SUD Pacifique-Film |
| Domestic distribution | Palladium |
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Instruktion |
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| Instruktion | Jean Becker |
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Manus |
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| Manus | Jean Becker |
| Manus | Maurice Fabre |
| Manus | Didier Goulard |
| Manus | Luis Marquina |
| Manus | Claude Sautet |
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Produktion |
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| Produktion | Paul-Edmond Decharme |
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Foto |
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| Foto | Edmond Séchan |
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Klip |
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| Klip | Monique Kirsanoff |
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Musik |
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| Musik | Gregorio García Segura |
| Musik | Martial Solal |
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Produktionsdesign |
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| Produktionsdesign | Antonio Cortés |
| Produktionsdesign | Georges Wakhévitch |
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Medvirkende |
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| Medvirkende | Jean-Paul Belmondo |
| Medvirkende | Jean Seberg |
| Medvirkende | Enrico Maria Salerno |
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