| Name | Character | Episodes |
|---|---|---|
| Sophie Okonedo | 12 | |
| Janet McTeer | 12 | |
| Eamonn Walker | 12 | |
| Jeremy Sheffield | 12 | |
| Geff Francis | 12 | |
| Andrew Grainger | 12 | |
| Dominic Borrelli | 12 | |
| Adrian Scarborough | Walter Brinkley | 6 |
| Idris Elba | Officer Chiswick | 2 |
| Steven Hartley | 1 |
| Name | Character | Episodes |
|---|---|---|
| Sophie Okonedo | 12 | |
| Janet McTeer | 12 | |
| Eamonn Walker | 12 | |
| Jeremy Sheffield | 12 | |
| Geff Francis | 12 | |
| Andrew Grainger | 12 | |
| Dominic Borrelli | 12 | |
| Adrian Scarborough | Walter Brinkley | 6 |
| Idris Elba | Officer Chiswick | 2 |
| Steven Hartley | 1 |