Matthew Macfadyen Detective Inspector Edmund Reid Actor MyAnna Buring Long Susan Actor Charlene McKenna Rose Erskine Actor Adam Rothenberg Captain Homer Jackson Actor Jerome Flynn Detective Sergeant Bennet Drake Actor Amanda Hale Emily Reid Actor David Wilmot Guest Star Clive Russell Guest Star David Dawson Guest Star Josh O'Connor Guest Star Louise Brealey Guest Star Anna Burnett Guest Star John Heffernan Guest Star Leanne Best Guest Star Alicia Gerrard Guest Star Dean-Charles Chapman Guest Star Patrick J. Molloy Guest Star Greg Brenman Executive Producer Will Gould Executive Producer Simon Vaughan Executive Producer