| Name | Character | Episodes |
|---|---|---|
| Olivia Williams | Lady Priscilla Hamilton | 8 |
| Edward Bluemel | Toby Hamilton | 8 |
| Hermione Corfield | Emma Garland | 8 |
| Matt Ryan | Joe O'Hara | 8 |
| Mark Benton | Dennis Feldman | 8 |
| Kara Tointon | Betsey Day | 8 |
| Jamie Blackley | Freddie Hamilton | 8 |
| Ṣọpẹ́ Dìrísù | Sonny Sullivan | 8 |
| Steven Mackintosh | Richard Garland | 8 |
| Ewan Mitchell | Billy Taylor | 6 |
| Cameron Cuffe | William Shannon | 4 |
| Bella Padden | Dora Taylor | 4 |