| Name | Character | Episodes |
|---|---|---|
| Jerome Flynn | DC Tom McCabe | 14 |
| Adrian Bower | 14 | |
| Rebecca Lacey | 14 | |
| Ben Price | 2 | |
| Adrian Rawlins | 1 | |
| James Cosmo | 1 | |
| Willie Ross | 1 | |
| Hugh Fraser | 1 | |
| Lesley Vickerage | 1 | |
| Paul Bown | 1 | |
| Berwick Kaler | 1 | |
| James Garbutt | 1 | |
| George Costigan | 1 | |
| Milton Johns | 1 |