| Name | Character | Episodes |
|---|---|---|
| Rhona Mitra | Varinia | 2 |
| Goran Višnjić | Spartacus | 2 |
| Ian McNeice | Lentulus Batiatus | 2 |
| James Frain | David | 2 |
| Angus Macfadyen | Marcus Crassus | 2 |
| Jack Huston | Flavius | 2 |
| Alan Bates | Antonius Agrippa | 2 |
| Ben Cross | Titus Glabrus | 2 |
| Henry Simmons | Draba | 2 |
| Hristo Shopov | Maecenus | 2 |
| Ross Kemp | Cinna | 2 |
| Paul Telfer | Gannicus | 2 |