Guest Stars Fiona Dolman as Sarah Barnaby Tamzin Malleson as Dr. Kate Wilding Martine McCutcheon as Debbie Moffett Kate Ashfield as Helen Caxton Patrick Robinson as Gregory Brantner Hattie Morahan as Hayley Brantner Lucy Liemann as Beatrix Ordish Maggie Steed as Sylvia Mountford Con O'Neill as Jim Caxton Eloise Webb as Poppy Ordish Sian Clifford as PC Milton Isabella Blake-Thomas as Holly Richard Dillane as Oliver Ordish Jesse Fox as Jake Yapley
