Det. Sgt. Markham is accused of taking a bribe. Meanwhile, Clark's lover, W.P.C. Jenny Dean, is under pressure over her part in the Michael Carswell affair.
| Name | Type | Role | |
|---|---|---|---|
| Steve Trafford | Writer | ||
| Geoffrey Church | Guest Star | ||
| Kenneth Cranham | Guest Star | ||
| Max Mason | Guest Star | ||
| Ian Barritt | Guest Star | ||
| Anna Gilbert | Guest Star | ||
| James Gaddas | Guest Star | ||
| Amanda Drew | Guest Star | ||
| Andy Powrie | Guest Star | ||
| Liz Brailsford | Guest Star | ||
| Brian Gwaspari | Guest Star | ||
| Simon Chadwick | Guest Star | ||
| Geoffrey Whitehead | Guest Star | ||
| Burt Caesar | Guest Star | ||
| Andrew Tiernan | Guest Star | ||
| Anthony May | Guest Star | ||
| Rupert Holliday Evans | Guest Star | ||
| Tom Clegg | Director |