Boyd and the team continue their investigation of the Annie Kee case, and try to locate her son who was present during the murders.
| Name | Type | Role | |
|---|---|---|---|
| Simon Mirren | Writer | ||
| Rakie Ayola | Guest Star | ||
| Harriet Walter | Guest Star | ||
| Robert Blythe | Guest Star | ||
| Lynda Bellingham | Guest Star | ||
| Valerie Gogan | Guest Star | ||
| Janet Dale | Guest Star | ||
| Anthony Valentine | Guest Star | ||
| Nicholas Hoult | Guest Star | ||
| Elliot Henderson-Boyle | Guest Star | ||
| Nicholas Woodeson | Guest Star | ||
| Cal Macaninch | Guest Star | ||
| Robert Del Maestro | Director |