A small-time criminal is the prime suspect in a gangland murder. Sam Ryan believes he may be innocent.
| Name | Type | Role | |
|---|---|---|---|
| Peter Lloyd | Writer | ||
| Dennis Banks | Guest Star | Cabbie | |
| Mark Montgomerie | Guest Star | Nicky | |
| Nicholas Palliser | Guest Star | Dr. Jack Urwin | |
| Mark Leadbetter | Guest Star | Policeman | |
| Vikki Turney | Guest Star | Barmaid | |
| Victoria Scarborough | Guest Star | D.S. Carole Cashman | |
| Isobel Middleton | Guest Star | Helen McNally | |
| Oliver Squires | Guest Star | Liam Brock | |
| Aden Gillett | Guest Star | D.I. Stuart Lightfoot | |
| Tom Georgeson | Guest Star | Brian McNally | |
| Patrick Cremin | Guest Star | D.I. Barry Adair | |
| George Russo | Guest Star | Danny | |
| David Cann | Guest Star | Incident Commander | |
| Mark Brignal | Guest Star | Joe Skellern | |
| Blondell Taylor | Guest Star | Librarian | |
| Peter Jonfield | Guest Star | Tony Georghiou | |
| David Lyon | Guest Star | Det. Supt. Alfred Kempster | |
| Nigel Cooke | Guest Star | Dr. Podmore | |
| Richard Signy | Director |