Harry suspects the Ministry of Defence may be covering up the true cause of the helicopter crash.
| Name | Type | Role | |
|---|---|---|---|
| Stephen Davis | Writer | ||
| Robert Purdy | Guest Star | President of the Board of Inquiry | |
| Simon McCoy | Guest Star | Newsreader | |
| David Gyasi | Guest Star | DS Ian Cross | |
| Dominic Coleman | Guest Star | Reporter | |
| Dominic Jephcott | Guest Star | APM Colin Renshaw | |
| Dan Fredenburgh | Guest Star | Simon Kilvert | |
| Elizabeth Rider | Guest Star | Laura Egerton | |
| Joy Elias-Rilwan | Guest Star | Adela Akebe | |
| Adam Kay | Guest Star | Squadron Leader Graham Pullar | |
| Steven Cree | Guest Star | Mark Cowell | |
| Lucy Briers | Guest Star | Patricia Darlow | |
| Julian Glover | Guest Star | Henry Markham | |
| Kate Colgrave Pope | Guest Star | Vasha | |
| Glynne Steele | Guest Star | Helicopter Pilot | |
| Guy Lankester | Guest Star | Wing Cmdr Dr James Painter | |
| Gillian Bevan | Guest Star | Det Supt Stella Naylor | |
| Adrian Schiller | Guest Star | Peter Colvin | |
| Maurice Phillips | Director |