| Name | Character | Episodes |
|---|---|---|
| Tobias Menzies | Aidee | 1 |
| Lucy Punch | 1 | |
| Geraldine James | 1 | |
| Holliday Grainger | Leeza Gruff | 1 |
| Liz White | 1 | |
| Lee Ingleby | 1 | |
| Ian McElhinney | 1 | |
| James Nesbitt | 1 | |
| Harriet Walter | 1 | |
| Sarah Smart | 1 | |
| Emily Joyce | 1 | |
| Kenny Doughty | 1 | |
| Mathew Horne | 1 | |
| Denise Van Outen | 1 | |
| Bernard Hill | 1 | |
| Alex Jennings | 1 | |
| Charity Wakefield | 1 | |
| Tony Way | 1 | |
| Maxine Peake | 1 | |
| Vincent Franklin | 1 | |
| Amber Sainsbury | 1 | |
| Paul Nicholls | 1 | |
| Rosie Cavaliero | 1 | |
| Ted Robbins | 1 | |
| Koel Purie | Shekeelia | 1 |