When the deranged emperor Caligula falls for an insatiable gladiatrix, their reign launches a mind-bending bacchanal of torture, sodomy, incest, castration, and aroused livestock.
| Actor | Role |
|---|---|
 Gino TuriniCaligula | Caligula |
| BBetty RolandMessalina | Messalina |
| VVladimir BrajovicClaudius | Claudius |
 Françoise BlanchardAgrippina | Agrippina |
 Raul CabreraSilius | Silius |
| VVincent Lo MonacoNot listed | Not listed |
 Fanny MagierMessalina's Mother | Messalina's Mother |
| LLaurence LovallNot listed | Not listed |
 Dominique IrissouNot listed | Not listed |
| MMarie-Noëlle ArnoultNot listed | Not listed |
| SSilvie DezabauneixDrusilla / Caligula's younger sister | Drusilla / Caligula's younger sister |
| KKathy SadikMerope | Merope |
| JJean-Pierre LemaireNot listed | Not listed |
 Florence GuérinWoman Gladiator | Woman Gladiator |
| NNathalie BerrebyWoman Gladiator | Woman Gladiator |
 Antonio PassaliaClaudius / Caligula's uncle | Claudius / Caligula's uncle |
 Piotr StanislasCaliste | Caliste |
 Fernando ArcangeliOrgy Participant (uncredited) | Orgy Participant (uncredited) |