The death of an elderly woman found in a cave has the Lyell team asking what drives a person to murder someone so vulnerable. A new boss at the Lyell riles Jack.
| Name | Type | Role | |
|---|---|---|---|
| Timothy Prager | Writer | ||
| Sean Gleeson | Producer | ||
| Billy Boyle | Guest Star | Charles Mead | |
| Iman Marson | Guest Star | Ollie | |
| Amy Booth-Steel | Guest Star | PC Greenwood | |
| Matthew Earley | Guest Star | Workman | |
| Lisa Davina Phillip | Guest Star | Blessing | |
| Eileen Davies | Guest Star | Edith Bauch | |
| Sean Pertwee | Guest Star | DI John Flynn | |
| Ethan Tang | Guest Star | Ethan | |
| Sam Gittins | Guest Star | Thomas Mayhew | |
| Eileen Nicholas | Guest Star | Gloria Mead | |
| Jack Condon | Guest Star | Angry Candidate | |
| David Hargreaves | Guest Star | Benjamin Dawson | |
| Tracey Rooney | Director |