Milo, tyrant of Sparta, has betrayed the Achea League. The evidence of betrayal is hidden by one of the rebels who is killed before he can reveal the hiding place to his friend Keros.
| Directing | Alberto De Martino | Director |
| Production | Joseph Fryd | Producer |
| Sound | Franco Mannino | Original Music Composer |
| Camera | Pier Ludovico Pavoni | Director of Photography |
| Editing | Otello Colangeli | Editor |
| Writing | Sandro Continenza | Writer |
| Writing | Alberto De Martino | Writer |
| Writing | Vincenzo Mannino | Writer |
| Writing | Giovanni Simonelli | Writer |
| Production | Mario Maffei | Line Producer |
| Camera | Fausto Rossi | Camera Operator |
| Camera | Mario Pastorini | Assistant Camera |
| Art | Piero Poletto | Production Design |
| Costume & Make-Up | Mario Giorsi | Costume Design |
| Art | Giulio Cabras | Set Decoration |
| Production | Alberto Giommarelli | Unit Manager |
| Production | Rodolfo Mecacci | Production Secretary |
| Directing | Giorgio Ubaldi | First Assistant Director |
| Directing | Francesco De Giuli | Second Assistant Director |
| Directing | Maria Pia Rocco | Script Supervisor |
| Costume & Make-Up | Nadia Vitali | Assistant Costume Designer |
| Costume & Make-Up | Romolo De Martino | Makeup Artist |
| Costume & Make-Up | Galileo Mandini | Hairstylist |
| Sound | Alessandro Sarandrea | Sound |
| Sound | Armando Bondani | Boom Operator |
| Editing | Fernanda Materni | Assistant Editor |
| Sound | Mario Morigi | Sound Mixer |
| Sound | Sandro Occhetti | Sound Mixer |