Gemma and Terry go undercover at a therapy retreat to chase mysterious death threats.
| Name | Type | Role | |
|---|---|---|---|
| Jason Cook | Writer | ||
| Dan Skinner | Guest Star | Devon | |
| Tamzin Outhwaite | Guest Star | Diana | |
| Isy Suttie | Guest Star | Beatrice | |
| Geeta Pendse | Guest Star | Connie | |
| Ramon Tikaram | Guest Star | Neil | |
| Vicki Pepperdine | Guest Star | Sandra | |
| Danielle Vitalis | Guest Star | Emma | |
| Cole Anderson-James | Guest Star | Darren | |
| Claire Skinner | Guest Star | Kerry | |
| Hugh Dennis | Guest Star | Aaron | |
| Sarmad Masud | Director |