| Original title | Quai des Orfèvres | 
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| Danish title | Hvem myrdede Brignon? | 
| Leikstjórn | Henri-Georges Clouzot | 
| Screenplay | Henri-Georges Clouzot, J. Ferry | 
| Based on | Roman af Stanislas-André Steeman. | 
| Director of Photography | Armand Thirard | 
| Editor | Charles Bretoneiche | 
| Composer | Francis Lopez | 
| Appearance | J. Dunot, J. Grillat, Gilberte Géniat | 
| Land | Frankrig | 
| Domestic distribution | Cofranex | 
| Technical info | 35 mm, Normal, Sort-hvid, Tone | 
| Danish theatrical release | 14.09.1948 | 
| Cinemas | Grand | 
| Danish rating | Forbudt for børn u. 16 år (1935-1969) | 
      Companies | 
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| Production company | Majestic Films | 
| Domestic distribution | Cofranex | 
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      Instruktion | 
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| Instruktion | Henri-Georges Clouzot | 
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      Manus | 
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| Manus | Henri-Georges Clouzot | 
| Manus | J. Ferry | 
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      Produktion | 
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| Produktion | Louis Wipf | 
| Produktion | Roger De Venloo | 
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      Foto | 
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| Foto | Armand Thirard | 
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      Klip | 
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| Klip | Charles Bretoneiche | 
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      Musik | 
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| Musik | Francis Lopez | 
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      Medvirkende | 
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| Medvirkende | J. Dunot | 
| Medvirkende | J. Grillat | 
| Medvirkende | Gilberte Géniat | 
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