Guest Stars Steven Robertson as DC Sandy Wilson Alison O'Donnell as DI Alison "Tosh" McIntosh Lewis Howden as Sgt Billy McCabe Anne Kidd as Cora McLean Erin Armstrong as Cassie Perez Julie Graham as Rhona Kelly Marnie Baxter as Jenny Belshaw Saskia Reeves as Freya Galdie Archie Panjabi as Asha Israni Sara Vickers as Leanne Randall Colette O'Neil as Bella James Cosmo as Arthur McCall Jack Greenlees as Craig Cooper Anna Chancellor as Phyllis Brennan Ciarán Hinds as Michael Maguire Brandon Scott as Logan Mark Cox as Tommy Monro Edward M Corrie as Ben Brennan Benjamin Cawley as Edison John Stahl as Eric the Boatman Crispin Letts as Headmaster Caroline Guthrie as Mrs. Whelan Barbara Rafferty as Alice Paul Donnelly as Arthur's Heavy Finlay Welsh as George Liam Brennan as Mike Brennan Fletcher Mathers as Bridal Shop Owner
