| Original title | Le pacha | 
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| Danish title | Rottefælden | 
| Leikstjórn | Georges Lautner | 
| Screenplay | Michel Audiard | 
| Based on | Efter Jean Labordes roman "Pouce". | 
| Director of Photography | Maurice Fellous | 
| Editor | Michelle David | 
| Appearance | Jean Gabin, Dany Carrel, Jean Gaven | 
| Land | Frankrig, Italien | 
| Domestic distribution | Constantin Film | 
| Technical info | 35 mm, Widescreen, Eastmancolor | 
| Danish theatrical release | 27.04.1970 | 
| Cinemas | Vester Bio | 
      Companies | 
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| Production company | S.N.E. Gaumont, Les Films Gofer, Rizzoli FIlm S. P. A. | 
| Domestic distribution | Constantin Film | 
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      Instruktion | 
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| Instruktion | Georges Lautner | 
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      Manus | 
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| Manus | Michel Audiard | 
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      Produktion | 
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| Produktion | Robert Sussfeld | 
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      Foto | 
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| Foto | Maurice Fellous | 
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      Klip | 
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| Klip | Michelle David | 
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      Medvirkende | 
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| Medvirkende | Jean Gabin | 
| Medvirkende | Dany Carrel | 
| Medvirkende | Jean Gaven | 
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