Guest Stars Steven Robertson as DC Sandy Wilson Alison O'Donnell as DS 'Tosh' MacIntosh Lewis Howden as Sgt Billy McCabe Mark Bonnar as Duncan Hunter Erin Armstrong as Cassie Perez Anne Kidd as Cora McLean Conor McCarry as PC Alex Grant Neve McIntosh as Kate Kilmuir Lucianne McEvoy as Meg Pattison Anneika Rose as Maggie Kean Benny Young as James Perez Shona McHugh as Merran Galbraith Andrew Clark as Mick Muir Stephen McCole as Logan Creggan Cora Bisset as Eve Galbraith Alec Newman as Niven Guthrie Lois Chimimba as Carrie McAndrew Rufus Wright as Dr Darren Bedford Jayne McKenna as Fiona Bedford Helene Maksoud as Rasha Nassan Sharif Dorani as Nazir Nassan Shonagh Price as Sister Carolyn Julie-Yara Atz as Salma Nassan Sandy Batchelor as Struan Guthrie John Buick as Maurice Ross Alec Westwood as Superintendent Sandison Éimi Quinn as Marie-Ann Ross