Guest Stars Josh Barrow as Tristan Ami Okumura Jones as Zadie Pip Carter as Dan Ogilvy Sara Powell as Kathy MaIntyre Paul Thornley as Michael Hall Fode Simbo as Simon Kingsley Jim Sturgeon as Nicholas Lovell Amita Suman as Dr. Maya Odari Flora Montgomery as Dr. Traci Lambert Helena Westerman as Agent Rachel Pearce Gerald Kyd as Thomas Mercer Tom Milligan as No. 10 Reporter Sofian Francis as Burke Reece Ritchie as Dr. Noah Jacobs Tomos Gwynfryn as Agent Ken Allan Jamie Treacher as EV Engineer Demelza O'Sullivan voices Radio Caller Georgie Bingham as BBC Political Editor
