| Name | Character | Episodes |
|---|---|---|
| David Morrissey | Malcolm | 6 |
| Taj Atwal | Cherry | 6 |
| Aimee Lou Wood | Gemma | 6 |
| David Fynn | Derek | 6 |
| Sharon Rooney | Catherine | 6 |
| Sarah Hadland | Rita | 6 |
| Arian Nik | Xander | 6 |
| Susan Lynch | Davina | 2 |
| Tom Stourton | Ben | 2 |
| Damien Molony | Fergal | 1 |
| Humphrey Ker | Warren | 1 |
| Nicholas Burns | Kenny | 1 |
| Claire Keelan | Jess | 1 |
| Matthew Durkan | Russell | 1 |
| Cyril Nri | Stuart | 1 |
| Susannah Fielding | Allegra | 1 |
| Sherrie Hewson | Agnes | 1 |
| Lauren O'Rourke | Twinky | 1 |
| Margaret Cabourn-Smith | Doctor Rush | 1 |