Callum Turner Shaun Emery Actor Lia Williams DSU Gemma Garland Actor Holliday Grainger DI Rachel Carey Actor Cavan Clerkin DS Patrick Flynn Actor Ginny Holder DS Nadia Latif Actor Laura Haddock Hannah Roberts Actor Ben Miles Danny Hart Actor Paul Ritter Marcus Levy Actor Adelayo Adedayo Alma Actor Ian Pirie Kenny Shaw Actor Barry Ward Charlie Hall Actor Ron Perlman Frank Napier Actor Sophia Brown Karen Actor Sharon Rooney Becky Actor Ralph Ineson DCI Alec Boyd Actor Nigel Lindsay DSI Tom Kendricks Actor Miranda Heath Amina Mahdi Actor Derek Ritchie Producer Ben Chanan Writer, Director