Holliday Grainger DI Rachel Carey Actor Ben Miles Danny Hart Actor Cavan Clerkin DS Patrick Flynn Actor Ginny Holder DS Nadia Latif Actor Nigel Lindsay DSI Tom Kendricks Actor Paapa Essiedu Isaac Turner Actor Lia Williams DSU Gemma Garland Actor Rob Yang Yan Wanglei Actor Killian Scott Actor Indira Varma Actor Hugh Quarshie Actor Andrew Buchan Actor Andy Nyman Actor Adrian Rawlins Actor Daisy Waterstone Actor Amanda Drew Actor Isabella Brownson Actor Tessa Wong Actor Joe Dempsie Actor Kenneth Collard Actor Linus Roache Actor Jonathan Aris Actor Mark Field Actor Beruce Khan Actor Barry Calvert Actor Georgina Hellier Actor Jude Mack Actor Sam Hoare Actor Duran Fulton Brown Actor Peter Caulfield Actor Mark Holgate Actor Cat White Actor Derek Ritchie Producer, Executive Producer Ben Chanan Writer, Executive Producer David Heyman Executive Producer Rosie Alison Executive Producer Sue Gibbs Executive Producer Tom Coan Executive Producer