A new adventure for the Dumas musketeers who this time must save the Infanta of Spain from the intrigues of the Prince of Condé who wants to take the throne at any cost. (This film is a compendium edit made from episodes of the television series "I tre moschettieri")
| Directing | Mauro Bolognini | Director |
| Writing | Mauro Bolognini | Writer |
| Writing | Golfiero Colonna | Writer |
| Writing | Ennio De Concini | Writer |
| Writing | Alexandre Dumas | Novel |
| Writing | Ivo Perilli | Writer |
| Writing | John Rich | Writer |
| Production | Golfiero Colonna | Producer |
| Sound | Mario Nascimbene | Music |
| Crew | Pier Ludovico Pavoni | Cinematography |
| Camera | Mario Sensi | Camera Operator |
| Art | Elso Valentini | Set Designer |
| Production | Alfredo Montori | Production Designer |
| Editing | Giancarlo Cappelli | Editor |
| Editing | Edmondo Lozzi | Editor |