While hiding his own rapidly deteriorating eyesight, a detective investigates the murder of a black youth leader.
| Actor | Role |
|---|---|
 Clive OwenDCI Ross Tanner | DCI Ross Tanner |
 Rupert Holliday-EvansDS Pewsey | DS Pewsey |
| SSelina BoyackDC Holt | DC Holt |
 Frank HarperDS Finch | DS Finch |
 Akbar KurthaDC Chad | DC Chad |
| RRebecca EganMarilyn Tanner | Marilyn Tanner |
 Mark BazeleyDI Boyd | DI Boyd |
 Alexander MortonDS Julian | DS Julian |
 Nicholas PinnockBen Harris | Ben Harris |
 Ben SmithSam Tanner | Sam Tanner |
 Zoe TelfordSandra Pearson | Sandra Pearson |
 Lesley VickerageDC Chancellor | DC Chancellor |
 Peter VaughanHarold King | Harold King |
 Richard DixonThornton | Thornton |