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 Clive Russell Guest Star Josh O'Connor Guest Star Laura Haddock Guest Star Lydia Wilson Guest Star Charles Edwards Guest Star Daniel Kendrick Guest Star Richard Goulding Guest Star Greg Brenman Executive Producer Will Gould Executive Producer Simon Vaughan Executive Producer