Guest Stars Jason Watkins as Oswald Cooper Emily Bruni as Jessamine Matthews Sean McGinley as Keiran Donnelly Paul Anderson as Frank Sporetti Daniela Nardini as Magda Donnelly Richard McCabe as Gavin Matthews Wendy Nottingham as Susan Wheldon Beth Goddard as Belinda Ashton Tim Dutton as Simon Ashton Marian McLoughlin as Phoebe Kwame Kwei-Armah as Danny Adebayou Laura Rees as Beatrice Donnelly Laura O'Toole as Doctor Uncredited Greg Bennett as Police Constable Colin Dexter as Man Talking to Innocent at Party Martin Heathcote as Custody Sergeant