| Name | Character | Episodes |
|---|---|---|
| Siobhan Finneran | DI Liz Nyles | 6 |
| David Hayman | Sid Nyles | 6 |
| Katherine Kelly | DCI Hannah Wheatley | 6 |
| Alec Newman | Edward Crowther | 6 |
| Chaneil Kular | DS Raj Kholi | 6 |
| Barry Ward | DS Paul Brandice | 6 |
| Andrew Knott | DI Richard Bewley | 6 |
| Jodie Price | Jasmine Nyles | 6 |
| Akiya Henry | DS Sue Beardsley | 6 |