Lord Ashfordly is concerned about falling royalties from High Rigg Quarry and asks Blaketon to investigate. The police are concerned about a quantity of explosives which have gone missing from the quarry just before a visit by the defence minister.
| Name | Type | Role | |
|---|---|---|---|
| Mark Jordon | Actor | PC Bellamy | |
| John Labanowski | Actor | Mal Hutton | |
| Michael Atkinson | Actor | Taswell | |
| Derek Fowlds | Actor | Oscar Blaketon | |
| Duncan Bell | Actor | Sergeant Merton | |
| Nick Miles | Actor | Copley | |
| Donna Lythgoe | Actor | Ada | |
| Tricia Penrose | Actor | Gina Ward | |
| Colin Farrell | Actor | Rev. Truscott | |
| Rupert Vansittart | Actor | Lord Ashfordly | |
| Francis Matthews | Actor | Dr James Alway | |
| William Simons | Actor | PC Ventress | |
| David Lonsdale | Actor | David | |
| John Flanagan | Actor | Briggs | |
| Jason Durr | Actor | PC Bradley | |
| Geoffrey Hughes | Actor | Vernon Scripps | |
| Sarah Tansey | Actor | Jenny Latimer |