| Name | Character | Episodes |
|---|---|---|
| Rose Byrne | Edith | 3 |
| David Tennant | Giacomo Casanova | 3 |
| Laura Fraser | Henriette | 3 |
| Dervla Kirwan | Casanova's Mother | 3 |
| Clare Higgins | Cook | 3 |
| Rupert Penry-Jones | Grimani | 3 |
| Peter O'Toole | Giacomo Casanova | 3 |
| Matt Lucas | Villars | 3 |
| Freddie Jones | Bragadin | 3 |
| Nina Sosanya | Bellino | 3 |
| Ron Cook | Prisoner | 3 |
| Andrew Havill | English Chancellor | 3 |
| Shaun Parkes | Rocco | 3 |
| Rosalie Craig | Coquette 2 | 1 |