Guest Stars Jeany Spark as Sandrine Shaw Ahd Kamel as Fatima Asif Kae Alexander as Linh Xuan Huy Hayley Squires as Laurie Stone Rob Jarvis as DC Euan Johnson Nathaniel Martello-White as DS Nathan Bilk July Namir as Mona Asif Vineeta Rishi as DC Rakhee Shah Ben Miles as DSU Jack Haley Brian Vernel as Mikey Gowans Kim Medcalf as Suki Vincent Tom Turner as Gerald Glaspie Molly Simm as Elfie Mars Saskia Reeves as Deborah Clifford Tony Way as Connor Nick Mohammed as Fuzz Gupta Sam Otto as Abdullah Asif Alais Lawson as Genevieve Mark Umbers as Robert Walsh Nicola Duffett as Alice Stone Raghad Chaar as Shelly Tony McCullough as Gun Store Armourer