A hypnotist uses his powers for revenge against King Louis XV's court.
| Writing | Richard Schayer | Screenplay |
| Writing | Charles Bennett | Screenplay |
| Directing | Gregory Ratoff | Director |
| Writing | Alexandre Dumas | Novel |
| Production | Gregory Ratoff | Producer |
| Production | Dario Sabatello | Associate Producer |
| Production | Edward Small | Executive Producer |
| Sound | Paul Sawtell | Music |
| Camera | Ubaldo Arata | Director of Photography |
| Camera | Anchise Brizzi | Director of Photography |
| Camera | Otello Martelli | Director of Photography |
| Editing | Fred R. Feitshans Jr. | Editor |
| Editing | James C. McKay | Editor |
| Editing | Renzo Lucidi | Editor |
| Art | Ottavio Scotti | Art Direction |
| Art | Jean-André d'Eaubonne | Art Direction |
| Art | Gino Brosio | Set Decoration |
| Costume & Make-Up | Don L. Cash | Makeup Artist |
| Costume & Make-Up | Georges Annenkov | Costume Design |
| Costume & Make-Up | Vittorio Nino Novarese | Costume Design |
