| Name | Character | Episodes |
|---|---|---|
| Mandeep Dhillon | Seraphina | 10 |
| Anson Boon | Eddie Harrigan | 10 |
| Jasmine Jobson | Zosia | 10 |
| Tom Hardy | Harry Da Souza | 1 |
| Pierce Brosnan | Conrad Harrigan | 1 |
| Helen Mirren | Maeve Harrigan | 1 |
| Lara Pulver | Bella Harrigan | 1 |
| Paddy Considine | Kevin Harrigan | 1 |
| Joanne Froggatt | Jan Da Souza | 1 |
| Alice Dardenne | Waitress | 1 |