Paranoia is rife as the hospital anticipates the court martial of a patient. Thomas's pioneering system brings him into conflict with a senior officer.
| Name | Type | Role | |
|---|---|---|---|
| Sarah Phelps | Writer | ||
| Phil Cheadle | Guest Star | ||
| Kerr Logan | Guest Star | ||
| Daniel Betts | Guest Star | ||
| Abigail Eames | Guest Star | ||
| Nicholas Asbury | Guest Star | ||
| Matthew Rohman | Guest Star | ||
| Jamie Ballard | Guest Star | ||
| Nicholas Burns | Guest Star | ||
| Lorcan Cranitch | Guest Star | ||
| Richard Clark | Director |