| Name | Character | Episodes |
|---|---|---|
| Jonny Lee Miller | Oliver Connaught | 5 |
| Gugu Mbatha-Raw | Claudia | 5 |
| Bel Powley | Charlotte | 5 |
| Shantol Jackson | Sarah | 5 |
| Richard Dillane | Eugene Desfrienes | 5 |
| Sean Gilder | Tom McKenzie | 5 |
| Diveen Henry | Flora | 5 |
| Oluniké Adeliyi | Patsy Dawkins | 5 |
| Jack Bandeira | Kenneth Connaught | 5 |