| Original title | Madame Sin | 
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| Danish title | Spionfælden | 
| Other titles | Dr. Sin ekspert i drab | 
| Leikstjórn | David Greene | 
| Screenplay | Barry Dringer | 
| Director of Photography | Tony Richmond | 
| Editor | Peter Tanner | 
| Composer | Michael Gibbs | 
| Production designer | Brian Eatwell | 
| Appearance | Bette Davis, Robert Wagner, Denholm Elliott | 
| Land | Storbritannien | 
| Domestic distribution | ASA-Panorama | 
| Technical info | 35 mm, Normal, Farve, Tone | 
| Danish theatrical release | 04.06.1973 | 
| Cinemas | Platan | 
      Companies | 
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| Production company | Cecil, ITT | 
| Domestic distribution | ASA-Panorama | 
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      Instruktion | 
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| Instruktion | David Greene | 
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      Manus | 
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| Manus | Barry Dringer | 
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      Produktion | 
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| Produktion | Julian Wintle | 
| Produktion | Lew Grade | 
| Produktion | Lou Morheim | 
| Produktion | Robert Wagner | 
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      Foto | 
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| Foto | Tony Richmond | 
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      Klip | 
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| Klip | Peter Tanner | 
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      Musik | 
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| Musik | Michael Gibbs | 
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      Produktionsdesign | 
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| Produktionsdesign | Brian Eatwell | 
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      Medvirkende | 
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| Medvirkende | Bette Davis | 
| Medvirkende | Robert Wagner | 
| Medvirkende | Denholm Elliott | 
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