| Name | Character | Episodes |
|---|---|---|
| Philip Barantini | Billy O'Neil | 165 |
| Michael Legge | Conor McCarthy | 141 |
| Gary McDonald | John Black | 139 |
| Ricky Whittle | Ryan Naysmith | 127 |
| Ramon Tikaram | Prashant Dattani | 90 |
| Razaaq Adoti | Wes Kingsley | 88 |
| Marem Hassler | Pilar Hernandez | 64 |
| Neil Jackson | Phil Wallis | 64 |
| Duncan Pow | Liam MacKay | 63 |
| Natalie J. Robb | Lizzie Conlon | 58 |
| Jonathan Howard | Gavin Moody | 33 |
| Frankie Fitzgerald | Jason Porter | 32 |
| James Floyd | Miguel Lopez | 32 |
| Danny Midwinter | Jimmy Craig | 32 |
| Louise Rose | Grace Rema | 32 |
| Jonathan Howard | Gavin Moody (uncredited) | 2 |
| John Salthouse | 1 | |
| Craig Fairbrass | 1 | |
| Ross Boatman | 1 | |
| Jessica-Jane Stafford | 1 |