Guest Stars Aisling Bea as Hotel Receptionist Sorcha Cusack as Professor Joanna Pinnock Daniel Ryan as Felix Sansome Pamela Nomvete as Helen Parsons Paul Anderson as Alastair Darlow Amelia Bullmore as Caroline Hope Siân Phillips as Adele Goffe Nicholas Sidi as Stephen Blackmore Amanda Ryan as Gina Goffe Scott Arthur as Constable Christopher Timothy as Barry Winter Ronald Pickup as Fr Moreno Mancini Uncredited Graham Curry as City Council Worker Ruth Rickman as Wedding Guest