Guest Stars Jason Watkins as Oswald Cooper Beth Goddard as Belinda Ashton Paul Anderson as Frank Sporetti Marian McLoughlin as Phoebe Sean McGinley as Keiran Donnelly Richard McCabe as Gavin Matthews Emily Bruni as Jessamine Matthews Daniela Nardini as Magda Donnelly Tim Dutton as Simon Ashton Kwame Kwei-Armah as Danny Adebayou Wendy Nottingham as Susan Wheldon 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