| Name | Character | Episodes |
|---|---|---|
| Amanda Holden | Louise Slaney | 13 |
| Dervla Kirwan | Emma Rose | 13 |
| Sarah Parish | Amanda Thomas | 13 |
| Hugo Speer | Richard Rose | 13 |
| Rose Keegan | Sinead Creagh | 13 |
| Andrew Scarborough | Michael Owen | 13 |
| Damian Lewis | Mark Rose | 7 |
| Lloyd Owen | James Norton | 6 |
| Clive Russell | Mark Dolby | 1 |
| Richard Coyle | Will Stenner | 1 |
| Anne Reid | Annie Rose | 1 |
| Amanda Abbington | Mia | 1 |
| Jonathan Ryland | Anne | 1 |
| Barbara Horne | Clair Butler | 1 |