Guest Stars Benedict Wong as Pete Cheng Philip Glenister as DCI William Bell Rebekah Staton as Liz Amelia Bullmore as Helen Preger Michael Feast as Andrew Wilson Johann Myers as Sonny Stagg Deborah Findlay as Greer Thornton James Laurenson as George Fergus Maureen Hibbert as Olicia Stagg Christopher Simpson as Adam Greene Rebecca Ryan as Karen Collins Patrick Brennan as Neil Woods Charlie Ryan as Louis Collins Stuart Goodwin as Robert Bingham Pui Fan Lee as Joy Cipriani Rory McCann as Stuart Brown Aleksandar Mikic as Paramedic Chris Obi as Street Journalist Finn Atkins as Kelvin Stagg's Girlfriend Fred Pearson as Sonia's Dad Christopher Fry as Policeman Neil Bell as Record Shop Assistant Andrew Brittain as Newsnight Presenter Freddie Stevenson as Press Conference Journalist Gregory Poorman as Kelvin Stagg Lucy Allen as Passer-by Andy Greenhalgh as Security Guard Gary Sefton as Motorcycle Courier Tim Willcox as Newsreader Chris Jarman as Police Sergeant Rebecca Lenkiewicz as WPC