| Name | Character | Episodes |
|---|---|---|
| Natasha O'Keeffe | Sadie Anderson | 12 |
| Laura Fraser | Cat MacKenzie | 12 |
| Ruta Gedmintas | Frankie Alan | 12 |
| Emun Elliott | Jay Bryan Adams | 12 |
| Fiona Button | Tess Roberts | 12 |
| James Anthony Pearson | Ed MacKenzie | 12 |
| Heather Peace | Sam Murray | 12 |
| Cush Jumbo | Becky Love | 6 |
| Roxanne McKee | Lou Foster | 6 |
| Anna Skellern | Dr. Lexy Price | 6 |
| Adam Sinclair | Dr. Declan Love | 6 |
| Duncan Duff | 3 | |
| Phyllis Logan | 2 |