Guest Stars Hayley Squires as Laurie Stone Jeany Spark as Sandrine Shaw Ahd Kamel as Fatima Asif Kae Alexander as Linh Xuan Huy Nathaniel Martello-White as DS Nathan Bilk Rob Jarvis as DC Euan Johnson 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 Molly Simm as Elfie Mars Tom Turner as Gerald Glaspie Saskia Reeves as Deborah Clifford Nick Mohammed as Fuzz Gupta Mark Umbers as Robert Walsh Tony Way as Connor Sam Otto as Abdullah Asif Alais Lawson as Genevieve Raghad Chaar as Shelly Nicola Duffett as Alice Stone Tony McCullough as Gun Store Armourer