| Charlie Cox | Danny Griffon | |
| Sophie Winkleman | Regan Peverill | |
| Jack Ellis | Rex Griffon | |
| Jemma Redgrave | Trudi Griffon | |
| Danny Webb | Tom Pollock | |
| Laurence Fox | DS Hathaway | |
| Kevin Whately | DI Lewis | |
| Clare Holman | Dr. Laura Hobson | |
| Lizzy McInnerny | Kate Jekyll | |
| Rebecca Front | Ch. Supt. Innocent | |
| Marc Elliott | Hal Bose | |
| Michael Maloney | Ivor Denniston | |
| Adam Smethurst | Locksmith | |
| Janet Maw | Secretary | |
| Sam Creed | Uni Student | |
| Colin Dexter | College Porter, / uncredited | |
| Curtis Rivers | Johnny Griffon, stunt driver | |
| Colin Starkey | Bernard Beech | |
| Dennis Matsuki | Mr. Tanigaki | |
| Flora Spencer-Longhurst | Jessica Pollock | |
| Rosalyn Wright | Air Stewardess | |
| Alex Knight | DI Knox | |
| Michael Hobbs | Club Secretary | |
| Mark Small | Uniformed PC | |
| Martin Heathcote | Sgt. Foster |
