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 Matthew Lewis Guest Star Benjamin O'Mahony Guest Star David Threlfall Guest Star Anna Burnett Guest Star Jonas Armstrong Guest Star Anna Koval Guest Star Julia Rosnowska Guest Star Ed Hughes Guest Star Paul Ready Guest Star Janice Byrne Guest Star Greg Brenman Executive Producer Will Gould Executive Producer Simon Vaughan Executive Producer