| Name | Character | Episodes |
|---|---|---|
| Alex Norton | Kenny Collins | 4 |
| David Hayman | Danny Jones | 4 |
| Timothy Spall | Terry Perkins | 4 |
| Kenneth Cranham | Brian Reader | 4 |
| Brían F. O'Byrne | Basil | 4 |
| Geoff Bell | Carl Wood | 4 |
| Nasser Memarzia | Gooran Cyrus | 3 |
| Ian Puleston-Davies | Ray Bilton | 3 |
| Lucy Thackeray | Terri Robinson | 3 |
| T'Nia Miller | DC Laura McIntyre | 2 |
| Christopher Fairbank | Billy Lincoln | 2 |
| Amira Ghazalla | Armita | 2 |
| Thomas Coombes | Gary Stevenson | 2 |
| Gary Beadle | Shorty | 1 |
| Rochenda Sandall | Surveillance Officer Roberts | 1 |