| Original title | Agente 3S3: Passaporto per l'inferno |
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| Danish title | Fribillet til helvede |
| Leikstjórn | Sergio Sollima |
| Land | Italien, Frankrig, Spanien |
| Domestic distribution | Athena Film |
| Danish theatrical release | 08.05.1967 |
| Cinemas | Nykøbing F. |
Companies |
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| Production company | Balcázar Producciones Cinematográficas |
| Domestic distribution | Athena Film |
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Instruktion |
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| Instruktion | Sergio Sollima |
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