| Name | Character | Episodes |
|---|---|---|
| Samuel Bottomley | Ralph Roberts | 18 |
| Shaun Thomas | Tom Cragg | 18 |
| Aqib Khan | Adnan Masood | 18 |
| Oscar Kennedy | Young Liam | 18 |
| Lily Frazer | Jess | 12 |
| Emily Coates | Rachel Fielder | 4 |
| Steve Pemberton | The Gardener | 2 |
| Kiell Smith-Bynoe | Phil | 1 |
| Olivia Klein | Kayleigh | 1 |