Stephen Moyer DI Mick Palmer Actor Nina Singh DC Shazia Malik Actor Sarah Alexander Rosa Conaghan Actor Larry Lamb Ron Palmer Actor Laoise Sweeney Helena McGuigan Actor Pearce Quigley Charlie Filton Actor Christopher Villiers Lord Hugh Astleigh Actor Patrick Robinson Sir Clifford Renwick Actor Dan Gaster Writer, Executive Producer Will Ing Writer, Executive Producer Paul Powell Writer Emma Goodwin Writer Kitty Percy Writer Jennie Paddon Director Declan Recks Director Candida Julian-Jones Producer David Barrett Film Editor Eleanor Cotton Film Editor