David Tennant DI Alec Hardy Actor Olivia Colman DS Ellie Miller Actor Andrew Buchan Mark Latimer Actor Jodie Whittaker Beth Latimer Actor Vicky McClure Karen White Actor Arthur Darvill Paul Coates Actor Adam Wilson Tom Miller Actor Charlotte Beaumont Chloe Latimer Actor Jonathan Bailey Olly Stevens Actor Matthew Gravelle Joe Miller Actor Carolyn Pickles Maggie Radcliffe Actor Pauline Quirke Susan Wright Actor Will Mellor Steve Connelly Actor Simone McAullay Becca Fisher Actor Oskar McNamara Danny Latimer Actor Susan Brown Liz Roper Actor Joe Sims Nige Carter Actor David Bradley Jack Marshall Actor Jacob Anderson Dean Thomas Actor Tracey Childs CS Elaine Jenkinson Guest Star Steve Bennett PC Bob Daniels Guest Star Alec Nicholls Farmer Guest Star Farzana Dua Elahe Teacher Guest Star Nicole Arumugam Woman Driver Guest Star Peter De Jersey SOCO Brian Young Guest Star Simon Ludders Trevor Smith Guest Star David Sibley Dr. James Lovegood Guest Star Alfred Enoch Sam Taylor Guest Star Simon Rouse Len Danvers Guest Star James Strong Director Chris Chibnall Writer, Executive Producer Jane Featherstone Executive Producer