| Name | Character | Episodes |
|---|---|---|
| Richard Harris | Lucius Cornelius Silla | 2 |
| Christopher Walken | Marcus Portius Cato | 2 |
| Valeria Golino | Calpúrnia | 2 |
| Jeremy Sisto | Caius Julius Caesar | 2 |
| Sean Pertwee | Labienus | 2 |
| Chris Noth | Pompeu | 2 |
| Tobias Moretti | Caius Cassius | 2 |
| Pamela Bowen | Aurélia | 2 |
| Heino Ferch | Vercingetorix | 2 |
| Clive Merrison | Catullus | 2 |
| Manuel Cauchi | Cinna | 2 |
| Ian Duncan | Marcus Brutus | 2 |
| Constantine Gregory | Pythias | 2 |
| Samuela Sardo | Cleopatra | 2 |
| Paolo Briguglia | Marcus Portius | 2 |
| Daniela Piazza | Cornélia | 2 |
| Christopher Ettridge | Appolonius | 2 |
| Kate Steavenson-Payne | Portia | 2 |
| Christian Kohlund | Lepidus | 2 |