| Name | Character | Episodes |
|---|---|---|
| Richard Madden | Ashley Greenwick | 6 |
| Rhys Thomas | Stuart Bayldon | 6 |
| Kayvan Novak | Rachid Mansaur | 6 |
| Kobna Holdbrook-Smith | Ryan Bailey | 6 |
| Amy Beth Hayes | Maxine Fox | 6 |
| Ben Batt | Craig Scruton | 5 |
| Annie Hulley | Stella Woodvine | 5 |
| Morven Christie | Kirsty Shelmerdine | 3 |
| Katherine Dow Blyton | Colette Fox | 2 |
| Tuppence Middleton | Sarah | 1 |