Nikki Amuka-Bird PC Simone Farnes Actor Hugh Bonneville DSI Iain Barclay Actor Charlie Creed-Miles DC Stephen "Jim" Beam Actor Philip Davis Mic Danes Actor Patrick Malahide John Poole Actor Janet McTeer DS Amy Foster Actor David Oyelowo Matt Wellings Actor Sarah Smart Sarah Wheeler Actor Penelope Wilton Barbara Poole Actor Edward Woodward Victor Marsham Actor Suranne Jones Laurie Franklin Actor David Morrissey DI Mal Craig Actor Bernard Hill Gerard Hopkirk Actor Anne Reid Jen Mason Actor Hugo Speer Jim Carpenter Actor Shaun Dooley Sgt Don Parker Actor Navin Chowdhry Bilal Choudry Actor Derek Riddell Nick Durden Actor Nina Sosanya Colly Trent Actor Shivani Ghai Nusrat Preston Actor Matthew McNulty Danny Preston Actor Sacha Dhawan Khalil Akram Actor Pooky Quesnel Maureen Hardy Actor Steve Evets Pat Dowling Actor Ashley Walters Jamal Matthews Actor Aaron Neil Ibra Akram Actor Samantha Robinson PC Natalie Cryer Actor Luke Hudson Luke Craig Actor Otto Bathurst Director Simon Curtis Director, Executive Producer Hilary Salmon Executive Producer Gwyneth Hughes Writer