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 Julie Graham as Rhona Kelly Neve McIntosh as Kate Kilmuir Fiona Bell as Donna Killick Julia Brown as Molly Kilmuir Stephen Walters as Thomas Malone Sean McGinley as Drew McColl Sophie Stone as Jo Halley Gerard Miller as Alan Killick Michael Moreland as Benny Ray Jimmy Chisholm as Alec MacBay Hannah Donaldson as Meg Hamilton Amy Lennox as Sally McColl Natali McCleary as Hotel Manager Allison McKenzie as Gail Callahan Steven McNicoll as Radio DJ