 | Richard Harrison als Glaucus |
 | Lisa Gastoni als Messalina |
 | Marilù Tolo als Ena |
 | Philippe Hersent als Claudio |
 | Livio Lorenzon als Prefect of the court |
 | Jean Claudio als Gaio Silio |
 | Giuseppe Addobbati als Lucilius |
 | Maria Laura Rocca als Procusa |
 | Charles Borromel als Caligola |
 | Lidia Alfonsi |
 | Gianni Solaro als Cassius Chaerea |
 | Enzo Fiermonte |
 | Lucia Bomez |
| Umberto Lenzi | Director |
| Carlo Franci | Original Music Composer |
| Nella Nannuzzi | Editor |
| Pier Ludovico Pavoni | Director of Photography |
| Gian Paolo Callegari | Writer |
| Albert Valentin | Writer |
| Fausto Rossi | Camera Operator |
| Filiberto Fiaschi | First Assistant Director |
| Victor Tourjansky | First Assistant Director |
| Larbi Tounsi | First Assistant Director |
| Liana Ferri | Script Supervisor |
| Albino Morandin | Unit Manager |
| Carlo Vassalle | Production Manager |
| Bruno Ukmar | Master at Arms |
| Mario Pastorini | Assistant Camera |
| Franco D'Andria | Set Decoration |
| Otello Fava | Makeup Artist |
| Renata Magnanti | Hairstylist |
| Antonio Randaccio | Assistant Costume Designer |
| Franco Groppioni | Sound |
| Pier Vittorio Marchi | Production Design |
| Mario Giorsi | Costume Design |
