| Name | Character | Episodes |
|---|---|---|
| Jodie Comer | Hannah Ward | 3 |
| Richard Lumsden | Jeff Harding | 3 |
| Mark Addy | Rob Fairholme | 3 |
| Julia Sawalha | Jan Ward | 3 |
| Michael Palin | Tom Parfitt | 3 |
| Tony Pitts | DCI Grogan | 3 |
| Eileen Davies | Nancy | 3 |
| Marcus Garvey | Andy Phelps | 3 |
| Mina Anwar | Roshana Salim | 3 |
| Tony Monroe | Senior Officer | 3 |