A Roman nobleman, Horatius leads an imperial legion during the long and bloody war between the Romans and the Albans. A desperate arrangement is agreed on how to settle the war. Three valiant brothers are chosen from each side to fight one last fierce and bloody duel...
| Directing | Terence Young | Director |
| Writing | Giuliano Montaldo | Screenplay |
| Writing | Carlo Lizzani | Screenplay |
| Writing | Luciano Vincenzoni | Story |
| Writing | Ennio De Concini | Screenplay |
| Production | Angelo Ferrara | Producer |
| Camera | Amerigo Gengarelli | Director of Photography |
| Art | Giulio Bongini | Production Design |
| Costume & Make-Up | Mario Giorsi | Costume Design |
| Art | Massimo Palmieri | Set Decoration |
| Art | Giorgina Baldoni | Assistant Set Decoration |
| Editing | Renzo Lucidi | Editor |
| Camera | Cesare Allione | Camera Operator |
| Costume & Make-Up | Michele Trimarchi | Makeup Artist |
| Costume & Make-Up | Lina Cassini | Hairstylist |
| Sound | Luigi Puri | Sound |
| Sound | Leopoldo Rosi | Sound |
| Directing | Andrea Volpe | First Assistant Director |
| Directing | Anita Borgiotti | Script Supervisor |
| Production | Angelo Binarelli | Unit Manager |
| Production | Angelo Cittadini | Unit Manager |
| Production | Mauro Sacripanti | Production Secretary |
| Sound | Angelo Francesco Lavagnino | Original Music Composer |
| Sound | Luigi Urbini | Conductor |
| Directing | Ferdinando Baldi | Director |
| Costume & Make-Up | Antonio Randaccio | Assistant Costume Designer |
| Crew | Anna Korda | Dialogue Coach |
| Production | Domenico Fazzari | Producer |
