The investigation continues to take unexpected turns, with Nikki managing to get behind the mask of the lead suspect. Jack has a breakthrough at the festival site and Nikki takes a dangerous opportunity. A surprise event at the Lyell brings some hope.
| Name | Type | Role | |
|---|---|---|---|
| Jim Keeble | Writer | ||
| Dudi Appleton | Writer | ||
| Josh Dynevor | Producer | ||
| Bella Maclean | Guest Star | Sara Mendes | |
| Christopher Staines | Guest Star | John Davenport | |
| Meena Rayaan | Guest Star | D.I. Zari Abbas | |
| Rebecca Johnson | Guest Star | Lucy Jenkins | |
| Aislín McGuckin | Guest Star | Aoife | |
| William Frazer | Guest Star | D.S. Trent | |
| Julie Legrand | Guest Star | Harriet Pugh | |
| Craig Miller | Guest Star | Sean Jones | |
| Lewis Griffiths | Guest Star | Jay Prain | |
| Jemma Moore | Guest Star | Mia Falshaw | |
| Pooja Shah | Guest Star | Usha Jakhar | |
| Hannah Rae | Guest Star | Star/Fiona | |
| Bindu De Stoppani | Director |