DCI Tony Clark finds himself assigned the unenviable task of investigating his own station when Scotland Yard suspects corruption. His first target is a ring of officers who are taking kickbacks from laundered drugs money.
| Name | Type | Role | |
|---|---|---|---|
| J. C. Wilsher | Writer | ||
| James Laurenson | Guest Star | ||
| Amanda Boxer | Guest Star | ||
| Peter McNamara | Guest Star | ||
| Jesse Owen | Guest Star | ||
| Sharon Duncan-Brewster | Guest Star | ||
| Geraldine O'Connell | Guest Star | ||
| Annie Hulley | Guest Star | ||
| Alan Stocks | Guest Star | ||
| Lynn Turner | Guest Star | ||
| Eri Miyajima | Guest Star | ||
| Ben Chaplin | Guest Star | ||
| Vincent Regan | Guest Star | ||
| Ciarán Hinds | Guest Star | ||
| John Ashe | Guest Star | ||
| Matthew Long | Guest Star | ||
| Janet Amsden | Guest Star | ||
| Iain Rattray | Guest Star | ||
| Charles McDougall | Director |