Emilia Fox Nikki Alexander Actor, Executive Producer David Caves Jack Hodgson Actor John Hannah Dr Charles Beck Actor Aki Omoshaybi Professor Gabriel Folukoya Actor Alastair Michael Velvy Schur Actor Josette Simon DCI Ford Actor Rhiannon May Cara Connelly Actor Hermione Norris CS Sheila Court Actor Miles Jovian Masked Man Actor Diveen Henry Elaine Actor Arkar Hayne Htin Lwin Actor Sean Pertwee DI John Flynn Actor Nadine Marshall DI Torres Actor Kevin R. McNally Professor Peter Cherry Actor Neil Pearson DI Steve Tudor Actor Lovelace Akpojaro Roy Lock Actor Nay Windermere Zaw Actor Leo Staar Calvin Dunn Actor Maeve Courtier-Lilley Vanessa Actor Timothy Prager Writer Tracey Malone Writer Dudi Appleton Writer Ed Whitmore Writer Jim Keeble Writer Jayne Chard Producer Jennie Paddon Director Toby Frow Director Tracey Rooney Director Roberto Bangura Director Max Myers Director Suzi McIntosh Executive Producer Priscilla Parish Executive Producer