| Name | Character | Episodes |
|---|---|---|
| Steve Pemberton | Robin | 6 |
| Elizabeth Berrington | Kerry | 6 |
| Julia Davis | Fay | 6 |
| Jonathan Cake | Adam | 6 |
| Rufus Jones | Tom | 6 |
| Vicki Pepperdine | Fiona | 6 |
| David Bamber | Noel | 6 |
| Nick Mohammed | Dr. Tolley | 6 |
| Oaklee Pendergast | Archie | 6 |
| Zackary Momoh | Biggs | 6 |
| Grace Hogg-Robinson | Catherine | 6 |