| Name | Character | Episodes |
|---|---|---|
| David Threlfall | Jim Bracknell | 6 |
| Shervin Alenabi | Mehmet Shah | 6 |
| Wunmi Mosaku | Riya Ajunwa | 6 |
| Daniel Ryan | Derek Jackson | 6 |
| Barry Sloane | Eddie Wells | 6 |
| Sean Gilder | Tony Corrigan | 6 |
| Ella Bruccoleri | Ali Day | 6 |
| Jo Hartley | Linda Markel | 6 |
| Nico Mirallegro | Kane Jackson | 6 |
| Natalie Gavin | Joanne Wells | 6 |
| Arian Nik | Nish Chowdry | 6 |