4 con men take the place of the real musketeers and manage to steal the Queen's necklace but then give it back to her, moved by her tears.
| Directing | Carlo Ludovico Bragaglia | Director |
| Writing | Bruno Corbucci | Story |
| Writing | Giovanni Grimaldi | Screenplay |
| Production | Gianni Buffardi | Producer |
| Sound | Gianni Ferrio | Original Music Composer |
| Camera | Tino Santoni | Director of Photography |
| Writing | Bruno Corbucci | Screenplay |
| Writing | Giovanni Grimaldi | Story |
| Art | Giorgio Giovannini | Production Design |
| Costume & Make-Up | Giuliano Papi | Costume Design |
| Art | Brunello Serena Ulloa | Set Decoration |
| Production | Ennio Di Meo | Unit Manager |
| Camera | Giovanni Bergamini | Camera Operator |
| Camera | Renato Fait | Assistant Camera |
| Sound | Giulio Tagliacozzo | Sound |
| Costume & Make-Up | Franco Di Girolamo | Makeup Artist |
| Costume & Make-Up | Anna Cristofani | Hairstylist |
| Directing | Elsa Carnevali | First Assistant Director |
| Directing | Alessandra Bocchetti | Script Supervisor |
| Directing | Rudy Mayolo | Second Assistant Director |
| Production | Gianni Di Stolfo | Production Secretary |
| Editing | Marcella Bevilacqua | Assistant Editor |
| Production | William Menarini | Co-Producer |
| Production | Egidio Quarantotto | Production Manager |
| Editing | Giuliana Attenni | Editor |