| Name | Character | Episodes |
|---|---|---|
| Douglas Henshall | D.I. John Tolin | 5 |
| Phil Davis | Brian Edwards | 5 |
| Matt Ryan | Dave Brown | 5 |
| Kate Ashfield | Ann Stallwood | 5 |
| Paul McGann | Richard Reeves | 5 |
| Christopher Fulford | D.C.I. Stephen Maitland | 5 |
| David Bamber | Sidney Norris | 5 |
| Sylvia Syms | Joyce Thompson | 5 |
| Claire Rushbrook | Karen Donnelly | 5 |
| Lucy Griffiths | Jane Tarrant | 5 |
| Christopher Villiers | Keith Fowler | 5 |
| Dean Lennox Kelly | Danny Rampton | 5 |
| Jo Woodcock | Jodie Tolin | 5 |
| Jocelyn Jee Esien | Cindie Smith | 5 |
| Pip Torrens | 1 |