Alison O'Donnell DS Alison `Tosh' McIntosh Actor Steven Robertson PC Sandy Wilson Actor Lewis Howden Billy McCabe Actor Anne Kidd Cora McLean Actor Ashley Jensen DI Ruth Calder Actor Ian Hart Euan Rossi Actor Vincent Regan John Harris Actor Mark Bonnar Duncan Hunter Actor Erin Armstrong Cassie Perez Actor Julie Graham Rhona Kelly Actor Douglas Henshall DI Jimmy Perez Actor Cora Bissett Eve Galbraith Actor Stephen McCole Logan Creggan Actor Kate Bracken Lynda Morton Actor Thoren Ferguson Eamon Gauldie Actor Julia Brown Molly Kilmuir Actor Neve McIntosh Kate Kilmuir Actor Alexander Morton Joseph Wilson Actor Sandra Voe Mima Wilson Actor Brian Cox Magnus Bain Actor Gemma Chan Hattie James Actor Ann Cleeves Writer David Kane Writer Fiona Walton Director Louise Say Producer