Freddie Fox Jeremy Bamber Actor Amanda Burton June Bamber Actor Alfie Allen Brett Collins Actor Tom McCall PC West Actor Mark Addy DS Stan Jones Actor Mark Stanley Colin Caffell Actor Gemma Whelan Ann Eaton Actor Stephen Graham DCI Thomas `Taff' Jones Actor Josh Herdman PC Collins Actor Micah Balfour PS Adams Actor Nicholas Farrell Nevill Bamber Actor Thomas Coombes PC Myall Actor Benjamin Griffin PC Delgado Actor Grace Calder Heather Amos Actor Alexa Davies Julie Mugford Actor Sean Gilder CS George Harris Actor Cressida Bonas Sheila Caffell Actor David Hunt PS Bews Actor Scott Reid DC Mick Clark Actor David Kennedy CS Mike Ainsley Actor Andrew Frame DI Ron Cook Actor Dorian Lough DI Cresswell Actor Millie Brady Sally Jones Actor Anthony Calf Geoffrey Rivlin QC Actor Richard Lintern Anthony Arlidge QC Actor David Horovitch Mr Justice Drake Actor Oliver Dimsdale Peter Eaton Actor Richard Goulding David Boutflour Actor Paul Whittington Director Lee Thomas Producer Kris Mrksa Writer, Executive Producer Niall Byrne Original Music Willow Grylls Executive Producer Charles Pattinson Executive Producer Elaine Pyke Executive Producer