After another hammer attack, the Lyell team start uncovering connections to a conspiracy involving local government.
| Name | Type | Role | |
|---|---|---|---|
| Ed Whitmore | Writer | ||
| Zaqi Ismail | Guest Star | Harry Singh | |
| Clare Burt | Guest Star | Eva Stirling | |
| Jenny Rainsford | Guest Star | Alice Chalmers | |
| Zoe Telford | Guest Star | Chief Superintendent Jane De Freitas | |
| Ellora Torchia | Guest Star | Claire Steadman | |
| Abigail Cruttenden | Guest Star | Mary Chalmers | |
| Billy Harris | Guest Star | DC Nick Whelan | |
| Sarah Kameela Impey | Guest Star | Tina Steadman | |
| David Verrey | Guest Star | Bruce Morgan-Jones | |
| Ellie Haddington | Guest Star | Meg Mcgrath | |
| Tim Berrington | Guest Star | Philip Chalmers | |
| Kurt Egyiawan | Guest Star | Oliver Brown | |
| Lorcan Cranitch | Guest Star | Colin Mcgrath | |
| Toby Frow | Director |