| Name | Character | Episodes |
|---|---|---|
| Iain Glen | Leo Vincent | 12 |
| Dawn French | Gina Benelli | 12 |
| Emilia Fox | Sam Vincent | 12 |
| Tanya Reynolds | Teresa Benelli | 12 |
| Mark Letheren | Dio Tremayne | 10 |
| Ruairí O'Connor | Michael Vincent | 8 |
| Kemi-Bo Jacobs | Suzy | 7 |
| Rhashan Stone | Marc Wilson | 5 |
| Franco Nero | Joe Benelli | 4 |
| Vincent Regan | Mason Elliot | 4 |
| Aaron Anthony | Adam Hesketh | 4 |
| Cassie Clare | Rhiannon | 4 |
| Harry Taurasi | Franco | 3 |
| Claudia Harrison | Janice Woods | 3 |
| Vinette Robinson | Rosa | 3 |
| Obi Abili | Reverend Norton | 3 |
| Aidan McArdle | Jonathan Jones | 2 |
| Pandora Colin | Marilyn Hicks | 2 |
| Peter Pacey | Michelin Man | 2 |
| Caroline Lee-Johnson | Sarah Coker | 1 |
| Sarah Smart | Anna | 1 |
| Eileen Walsh | Marianne Khan | 1 |
| Dean Andrews | Steven Green | 1 |
| Joanna David | Gertrude | 1 |
| Erich Redman | Swiss Man | 1 |
| Georgina Rylance | Matty | 1 |
| Cathy Belton | Keira | 1 |
| Stuart Davidson | Wedding Guest | 1 |
| Roger Barclay | Maître D' | 1 |
| Sam Hoare | Harry | 1 |
| Mary Stockley | Allie Brooks | 1 |
| Linda Marlowe | Lillian | 1 |
| Paul Clayton | Trevelyn | 1 |
| Pandora Colin | DI Marilyn Hicks | 1 |
| Lolita Chakrabarti | Riya Verma | 1 |
| Soo Drouet | Celebrant | 1 |
| Mary Woodvine | Nurse Victoria | 1 |
| James Doherty | Greg | 1 |
| Nicholas Woodeson | Allen Billington | 1 |
| Sarah Ball | Maya Green | 1 |
| Elaine Caulfield | Taxi Driver | 1 |
| Christabel Muir | Café Waitress | 1 |