In a world ravaged by violence, and other serious social problems, Joan - a character that alludes to Christ (which represents the return to Earth) arrives to Italy by train and preaching for the salvation of mankind, condemning the hypocrisy and hedonism.
| Directing | Adriano Celentano | Director |
| Costume & Make-Up | Elena Mannini | Costume Design |
| Crew | Franco Miseria | Choreographer |
| Crew | Giovanni Corridori | Special Effects |
| Costume & Make-Up | Otello Sisi | Prosthetic Makeup Artist |
| Crew | Rémy Julienne | Stunt Coordinator |
| Crew | Sal Borgese | Stunt Coordinator |
| Art | Lorenzo Baraldi | Production Design |
| Directing | Maria Pia Rocco | First Assistant Director |
| Production | Angelo Zemella | Unit Production Manager |
| Camera | Alfio Contini | Director of Photography |
| Sound | Amedeo Casati | Sound |
| Editing | Riccardo Pintus | Assistant Editor |
| Editing | Ornella Chistolini | Assistant Editor |
| Sound | Pinuccio Pirazzoli | Music |
| Sound | Ronald Jackson | Music |
| Sound | Adriano Celentano | Music |
| Sound | Gino Santercole | Music |
| Writing | Adriano Celentano | Story |
| Writing | Adriano Celentano | Screenplay |
| Editing | Adriano Celentano | Editor |
| Production | Vittorio Cecchi Gori | Producer |
| Production | Mario Cecchi Gori | Producer |
| Sound | Adriano Celentano | Songs |
