Brenda Blethyn DCI Vera Stanhope Actor Kenny Doughty DS Aiden Healy Actor Jon Morrison DC Kenny Lockhart Actor Ibinabo Jack DC Jacqueline Williams Actor Riley Jones DC Mark Edwards Actor Kingsley Ben-Adir Dr Marcus Sumner Actor Paul Kaye Dr Malcolm Donahue Actor Alexander Cobb David Walken Actor Marian McLoughlin Tina Tripp Actor Harki Bhambra Vinay Deol Actor Simon Trinder Nathan Whitelock Actor Martha Cope Steph Bayliss Actor Brian Lonsdale Lee Tripp Actor David Rubin Jamie Dwyer Actor Lawrence Walker Michael Cummings Actor Janine Birkett Anna Wilby Actor Jonathan Spencer Freddie Gill Actor Janine Leigh Pat Ross Actor Iola Evans Phoebe Dwyer Actor Tom Glenister Joshua Walken Actor Paul Matthew Thompson Writer Delyth Thomas Director Rob Evans Director Paul Gay Director Elaine Collins Producer Will Nicholson Producer Carolina Giammetta Director Colette Kane Writer Paul Logue Writer Sally Abbott Writer Kate Bartlett Executive Producer Phil Hunter Executive Producer Kate Lewis Executive Producer Myar Craig-Brown Executive Producer Michael Dawson Executive Producer