| Name | Character | Episodes |
|---|---|---|
| Maggie Steed | Esther | 12 |
| Michaela Coel | Tracey Gordon | 12 |
| Shola Adewusi | Joy Gordon | 12 |
| Susan Wokoma | Cynthia Gordon | 10 |
| Olisa Odele | Ola | 8 |
| Sarah Hoare | Karly Raven | 7 |
| John Macmillan | Ronald | 5 |
| Tanya Franks | Mandy | 5 |
| Sinead Matthews | Emma | 4 |
| Josef Altin | Ryan | 2 |
| Jonathan Livingstone | Boy Tracy | 2 |
| Jonathan Bailey | Ash | 1 |
| Cynthia Erivo | Magdalene | 1 |
| Jade Anouka | Danny | 1 |
| Hayley Carmichael | Doreen | 1 |
| Paul Kaye | Sebastien | 1 |
| David Webber | Uncle Roy | 1 |
| Rupert Vansittart | Big Boss | 1 |
| Danny Sapani | Marlon | 1 |
| Paul Jesson | Noah | 1 |
| Tom Rhys Harries | Preacher | 1 |
| Ronkẹ Adékoluẹjo | Amy | 1 |
| Akin Gazi | Rashad | 1 |
| Susannah Wise | Louise | 1 |
| Lorna Brown | Dr. Davine Solomon | 1 |
| Jude Akuwudike | Alex | 1 |
| Pal Aron | Dr. Mubashira | 1 |
| Sophie Duval | Officer Greaves | 1 |
| Alisha Bailey | Danielle | 1 |
| Ayesha Antoine | Judith | 1 |
| Vera Chok | Penelope | 1 |
| Kim Wall | Henry | 1 |
| Alexander Bhat | Josh | 1 |
| Stormzy | Stormzy | 1 |