| Name | Character | Episodes |
|---|---|---|
| Parminder Nagra | DI Rachita Ray | 10 |
| Ezra Faroque Khan | Dev Ray | 10 |
| Syreeta Kumar | Sharan Mochani | 5 |
| Gemma Whelan | DCI Kerry Henderson | 4 |
| Jamie Bamber | DCI Martyn Hunter | 4 |
| Taha Rahim | Ravinder Mochani | 4 |
| Maanuv Thiara | PS Tony Khatri | 3 |
| Steve Oram | DS Clive Bottomley | 1 |
| Paul Copley | Terry | 1 |
| Ian Puleston-Davies | Beardsmore | 1 |
| Helen George | Annalie | 1 |
| Peter Bankolé | DS Kwesi Edmund | 1 |