Guest Stars Benedict Wong as Pete Cheng Philip Glenister as DCI William Bell Rebekah Staton as Liz Amelia Bullmore as Helen Preger Marc Warren as Dominic Foy James McAvoy as Dan Foster Michael Feast as Andrew Wilson Deborah Findlay as Greer Thornton Tom Burke as Syd James Laurenson as George Fergus Shauna MacDonald as Sonia Baker Natasha Wightman as Sheena Gough Susie Porter as Susan Sagattchean David Ryall as Bob Coutts Sophie Walding as Janine Nicola Parfitt as Hotel Receptionist