Guest Stars Alison O'Donnell as DS 'Tosh' MacIntosh Steven Robertson as DC Sandy Wilson 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 Stephen McCole as Logan Creggan Shona McHugh as Merran Galbraith Andrew Clark as Mick Muir Cora Bisset as Eve Galbraith Alec Newman as Niven Guthrie Lois Chimimba as Carrie McAndrew Jayne McKenna as Fiona Bedford Rufus Wright as Dr Darren 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