Federico, a virtuous nobleman from an impoverished family, is brought into service by autocrat Cesare Borgia. His promiscuous sister Lucrezia seems to have an amorous interest in Federico and wants him as her lover though Federico is in love with Diana, the Duke of Alva's daughter, whom he has saved from being raped. When he learns about Diana's feud against the Borgia clan, he becomes aware of their infamous deeds.
| Actor | Role |
|---|---|
 Belinda LeeLucretia Borgia | Lucretia Borgia |
 Jacques SernasFederico | Federico |
 Arnoldo FoàAstorre | Astorre |
 Michèle MercierDiana D'Alva | Diana D'Alva |
 Franco FabriziCesare Borgia | Cesare Borgia |
 Marco TulliJacopo | Jacopo |
| LLilli ScaringiSerafina | Serafina |
 Germano Longoun ufficiale | un ufficiale |
 Nando TamberlaniNot listed | Not listed |
 Raf BaldassarreNot listed | Not listed |
 Stelio CandelliNot listed | Not listed |
 Ivano StaccioliNot listed | Not listed |
 Giorgio UbaldiNot listed | Not listed |
| GGianni LotiNot listed | Not listed |