Matthew Macfadyen Detective Inspector Edmund Reid Actor Jerome Flynn Detective Sergeant Bennet Drake Actor MyAnna Buring Long Susan Actor Adam Rothenberg Captain Homer Jackson Actor Charlene McKenna Rose Erskine Actor Joseph Mawle Guest Star Killian Scott Guest Star Benjamin O'Mahony Guest Star Matthew Lewis Guest Star Anna Burnett Guest Star Lydia Wilson Guest Star Jonas Armstrong Guest Star Anna Koval Guest Star Charlie Creed-Miles Guest Star Ellie Haddington Guest Star Eddie Jackson Guest Star Jodie McNee Guest Star Rupert Procter Guest Star Greg Brenman Executive Producer Will Gould Executive Producer Simon Vaughan Executive Producer