Géo Paquet, aka The Gorilla, breaks from jail. Now an escaped convict, the elite agent must infiltrate a dangerous gang working for a foreign embassy as their leader, a spy enjoying diplomatic immunity, can't be arrested by regular police.
| Writing | Antoine-Louis Dominique | Novel |
| Directing | Bernard Borderie | Director |
| Writing | Bernard Borderie | Writer |
| Writing | Antoine-Louis Dominique | Writer |
| Writing | Jacques Robert | Writer |
| Production | Raoul Ploquin | Producer |
| Crew | Louis Page | Cinematography |
| Editing | Jacqueline Brachet | Editor |
| Sound | Jean Leccia | Music |
| Sound | Georges van Parys | Music |