Leo and Harry follow up their leads to discover an alarming truth. Are Sam and her team being used by the Home Office to drive out Peter Sachs in fear of a costly process?
| Name | Type | Role | |
|---|---|---|---|
| Michael Crompton | Writer | ||
| Stephen Walters | Guest Star | Neville Anderson | |
| James Laurenson | Guest Star | Professor Peter Sachs | |
| Caroline Lee-Johnson | Guest Star | Alice Pettman | |
| Tom Harper | Guest Star | Alan Morris | |
| Malcolm Terris | Guest Star | Prison Governor | |
| Charlotte Graham | Guest Star | Katie Anderson | |
| Jake Mills-Zivanovic | Guest Star | Young Alan Morris | |
| Sorcha Cusack | Guest Star | Denise Morris | |
| Daniel Casey | Guest Star | Donald Gibbs | |
| James Hillier | Guest Star | Jeremy Adams | |
| Darren Tighe | Guest Star | Tom Anderson | |
| Paul Copley | Guest Star | Laurence Parkin | |
| Philip Middlemiss | Guest Star | DI Lloyd | |
| David Cronnelly | Guest Star | Brian Morris | |
| Jayne Ashbourne | Guest Star | Lisa Roberts | |
| Faith Edwards | Guest Star | Solicitor | |
| Hilton McRae | Guest Star | Supt. Colin Osbourne | |
| Renny Rye | Director |