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 | ||
| Ethan Tang | Guest Star | Ethan | |
| Jason Callender | Guest Star | Gary Baxter | |
| Amy Booth-Steel | Guest Star | PC Greenwood | |
| Adrianna Bertola | Guest Star | Rosie | |
| Ricky Shah | Guest Star | Mr Goddard | |
| Kate Okello | Guest Star | Lauren Baxter | |
| Lisa Davina Phillip | Guest Star | Blessing | |
| Iman Marson | Guest Star | Ollie | |
| Jack Condon | Guest Star | Angry Candidate | |
| Charlie Rix | Guest Star | Matthew Harris | |
| Eileen Davies | Guest Star | Edith Bauch | |
| Sedhar Chozam | Guest Star | Elizabeth H | |
| Matthew Earley | Guest Star | Workman | |
| Eileen Nicholas | Guest Star | Gloria Mead | |
| Sam Gittins | Guest Star | Thomas Mayhew | |
| Precious Adebayo | Guest Star | Teenage Girl Hiker | |
| Sean Pertwee | Guest Star | DI John Flynn | |
| Billy Boyle | Guest Star | Charles Mead | |
| David Hargreaves | Guest Star | Benjamin Dawson | |
| Tracey Rooney | Director |