Det. Sgt. Connell's cover is blown while investigating a hostile police station. Det. Supt. Clark is caught up in a murder case with both personal and professional implications.
| Name | Type | Role | |
|---|---|---|---|
| J. C. Wilsher | Writer | ||
| Dorian Hea | Guest Star | ||
| Nick Hobbs | Guest Star | ||
| John Benfield | Guest Star | ||
| Malcolm Browning | Guest Star | ||
| Stevan Rimkus | Guest Star | ||
| Maxwell Hutcheon | Guest Star | ||
| Ray Winstone | Guest Star | ||
| Elizabeth Downes | Guest Star | ||
| Ray Armstrong | Guest Star | ||
| Jeffrey Robert | Guest Star | ||
| William Hoyland | Guest Star | ||
| Simon Kunz | Guest Star | ||
| Albert Welling | Guest Star | ||
| Vincent Keane | Guest Star | ||
| Susan Beresford | Guest Star | ||
| Anthony Trent | Guest Star | ||
| Jonathan Lacey | Guest Star | ||
| Gary Powell | Guest Star | ||
| Roy Battersby | Director |