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