Guest Stars Benedict Wong as Pete Cheng Philip Glenister as DCI William Bell Amelia Bullmore as Helen Preger Rebekah Staton as Liz Marc Warren as Dominic Foy James McAvoy as Dan Foster Johann Myers as Sonny Stagg Tom Burke as Syd Christopher Simpson as Adam Greene Sean Gilder as Sergeant 'Chewy' Cheweski Patrick Brennan as Neil Woods Shauna MacDonald as Sonia Baker Michael Pennington as Richard Siegler Ofo Uhiara as Security Guard