Guest Stars Erin Shanagher as DS Karen Hobson Richard Huw as Tom Hayes Roger Barclay as Councillor Brian Hesketh Jordan Mifsud as Krzysztof Babakowski Darci Shaw as Holly Meredith Hazel Ellerby as Sue Mooney Philip Hill-Pearson as Ryan Foley Ellie Duckles as Hanna Babakowski Sean Croke as DC Dave Carter Maximus Evans as Wilko Anne Hornby as Ms. Jones Paul Warriner as Martin Leah Baskaran as Charge Nurse Vanessa Rosenthal as Elderly Woman Gino Nicholson as Pete