| cast |
 |
|
|
|
| Series Regulars | |||
| |||
| Chiwetel Ejiofor | Chiwetel Ejiofor as Jonah Gabriel | Christopher Eccleston | Christopher Eccleston as Joseph Bede |
| Antony Sher | Antony Sher as Peter Glickman | Stephen Rea | Stephen Rea as Gatehouse |
| Sean Gilder | Sean Gilder as Robert Beatty | David Schofield | David Schofield as Sergeant Foley |
| Stanley Townsend | Stanley Townsend as Bulkat Babur | Eve Best | Eve Best as Petra Mayler |
| |||
| Recurring & Guests | |||
| |||
| Kierston Wareing | Kierston Wareing as Lia Honey | Rafe Spall | Rafe Spall as Jay Wratten |
| Tobias Menzies | Tobias Menzies as Ross McGovern | Freddie Fox | Freddie Fox as Ratallack |