In order to persuade the Emperor to spare his village, the mighty Ursus is forced to fight the greatest gladiator in Rome in the Roman Arena.
| Actor | Role |
|---|---|
 Dan VadisUrsus | Ursus |
| GGloria MillandMarzia | Marzia |
 José GreciArminia | Arminia |
 Sergio CianiCommodus | Commodus |
 Andrea AureliGladiators' Instructor | Gladiators' Instructor |
 Tullio AltamuraAntoninus | Antoninus |
 Nando TamberlaniMarc Aurel | Marc Aurel |
 Sal BorgeseGladiator | Gladiator |
 Gianni SantuccioSenator Emilius Letus | Senator Emilius Letus |
 Consalvo Dell'ArtiSenator Lucius | Senator Lucius |
| CCarlo DelmiSettimius Letus | Settimius Letus |
 Valéry InkijinoffGladiator | Gladiator |