| Steve Blake | Douglas Hodge |
| Chief Supt. Gates | Leslie Grantham |
| Joanna Ball | Sylvestra le Touzel |
| Melissa Gates | Lia Williams |
| Sarah Armstrong | Caroline Lee Johnson |
| Jon Davidson | Christopher Scoular |
| David Hallworth | Matt Patresi |
| Mark Knowles | Simon Cook |
| David Leonard | Ben George |
| Fiona Leonard | Natasha Rout |
| Patrick Leonard | Eamon Boland |
| Mary Madigan | Gillian Barge |
| Gerald Ryle | Oliver Ford Davies |
| James Wilson | David Allister |