Guest Stars Jason Watkins as Oswald Cooper Sean McGinley as Keiran Donnelly Paul Anderson as Frank Sporetti Emily Bruni as Jessamine Matthews Richard McCabe as Gavin Matthews Daniela Nardini as Magda Donnelly 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