| Original title | Espion lève-toi | 
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| Danish title | Jaget af fortiden | 
| Leikstjórn | Yves Boisset | 
| Screenplay | Yves Boisset, Michel Audiard, Claude Veillot | 
| Based on | Roman af George Markstein: "Chance Awakening" | 
| Director of Photography | Jean Boffety | 
| Editor | Albert Jurgenson, Jean-François Naudon | 
| Composer | Ennio Morricone | 
| Appearance | Lino Ventura, Michel Piccoli, Bruno Cremer | 
| Land | Frankrig | 
| Domestic distribution | Obel Film | 
| Technical info | Fujicolor | 
| Danish theatrical release | 30.07.1984 | 
| Cinemas | Dagmar | 
| Danish rating | Forbudt for børn u. 16 år (ej vurderet 1970-1997) | 
      Companies | 
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| Production company | Cathala Productions, Top 1, TF1 Films Production, Union Générale Cinématographique (UGC) | 
| Domestic distribution | Obel Film | 
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      Instruktion | 
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| Instruktion | Yves Boisset | 
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      Manus | 
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| Manus | Yves Boisset | 
| Manus | Michel Audiard | 
| Manus | Claude Veillot | 
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      Produktion | 
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| Produktion | Norbert Saada | 
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      Foto | 
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| Foto | Jean Boffety | 
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      Klip | 
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| Klip | Albert Jurgenson | 
| Klip | Jean-François Naudon | 
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      Musik | 
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| Musik | Ennio Morricone | 
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      Medvirkende | 
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| Medvirkende | Lino Ventura | 
| Medvirkende | Michel Piccoli | 
| Medvirkende | Bruno Cremer | 
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