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 Amanda Hale Emily Reid Actor David Wilmot Guest Star Clodagh Kane Guest Star Matthew Lewis Guest Star Anna Burnett Guest Star Annabell Rickerby Guest Star Anna Koval Guest Star Lucy Cohu Guest Star Jonas Armstrong Guest Star Killian Scott Guest Star David Threlfall Guest Star Brandon Maher Guest Star Greg Brenman Executive Producer Will Gould Executive Producer Simon Vaughan Executive Producer