| Name | Character | Episodes |
|---|---|---|
| Joely Richardson | 6 | |
| Polly Walker | Trottie | 6 |
| Mark Gatiss | Gabriel Book | 6 |
| Daniel Mays | 6 | |
| Elliot Levey | Inspector Bliss | 6 |
| Charlie Cattrall | Kurt Masterson | 2 |
| Nadia Albina | Dr. Calder | 2 |
| Name | Character | Episodes |
|---|---|---|
| Joely Richardson | 6 | |
| Polly Walker | Trottie | 6 |
| Mark Gatiss | Gabriel Book | 6 |
| Daniel Mays | 6 | |
| Elliot Levey | Inspector Bliss | 6 |
| Charlie Cattrall | Kurt Masterson | 2 |
| Nadia Albina | Dr. Calder | 2 |