Holliday Grainger DI Rachel Carey Actor Callum Turner Shaun Emery Actor Ben Miles Danny Hart Actor Lia Williams DSU Gemma Garland Actor Laura Haddock Hannah Roberts Actor Barry Ward Charlie Hall Actor Cavan Clerkin DS Patrick Flynn Actor Ginny Holder DS Nadia Latif Actor Ralph Ineson DCI Alec Boyd Actor Nigel Lindsay DSI Tom Kendricks Actor Ron Perlman Frank Napier Actor Esther Hall Elaine Hart Actor Sophia Brown Karen Actor Tianna Ellie Gregory Jaycee Actor Dustin Demri-Burns Francis Actor Alan Williams Ediier Emery Actor Tommy McDonnell Mat Forester Actor Sharon Rooney Becky Actor Kevin Garry Jamal Actor Florian Rafuna Bogdan Actor Frederick Szkoda Ryan Actor Alexander Forsyth Eli Jacobi Actor Derek Ritchie Producer Ben Chanan Writer, Director