| Name | Character | Episodes |
|---|---|---|
| David Threlfall | Bell | 13 |
| Robert Lindsay | Carter | 13 |
| Ian Sears | Eric Swan | 3 |
| Edward Burnham | Piper | 2 |
| Peter Vaughan | The Inspector | 1 |
| Lia Williams | Mary | 1 |
| Shaun Scott | DI George | 1 |
| Jake Wood | The Burglar | 1 |
| David Cardy | DC Martin | 1 |
| Peter Elliott | Terence Oblong | 1 |
| Philip McGough | Mr. Benson | 1 |
| Diana Weston | Miss Angela Wilson | 1 |