| Name | Character | Episodes |
|---|---|---|
| Natalia Tena | Valerie Kinteh | 6 |
| Babou Ceesay | Wolfe Kinteh | 6 |
| Adam Long | Steve | 6 |
| Amanda Abbington | Dot | 6 |
| Christine Tremarco | DCI Betsy Chambers | 6 |
| Shaniqua Okwok | Dominique | 6 |
| Naomi Yang | Maggy | 6 |
| Pooky Quesnel | Maxine | 3 |
| Cathy Tyson | Fay | 2 |
| William Ash | Jeff | 2 |
| David Threlfall | Howard | 1 |
| Rebecca Calder | Martha | 1 |
| Jemma Redgrave | Julia | 1 |
| Kevin Eldon | Vincent Frayn | 1 |
| Jack Lord | Eric Haim | 1 |
| Jack Deam | Joseph | 1 |
| Ben Crompton | Manager | 1 |
| Muzz Khan | Jamal | 1 |
| Sam Hoare | Darren Belby | 1 |
| James Baxter | David | 1 |
| Gary Cargill | Foreman | 1 |
| Simon Markey | Dr. Slater | 1 |
| Sophie Hopkins | Sarah | 1 |