Guest Stars Faye Marsay as Blue Colson Kelly Macdonald as Karin Parke Ben Miles as Tom Pickering Vinette Robinson as Liza Bahar Holli Dempsey as Clara Meades Esther Hall as Vanessa Dahl Thomas Dominique as Roadie Joe Armstrong as Nick Shelton Elizabeth Berrington as Jo Powers Benedict Wong as Shaun Li Adrian Lukis as Home Secretary, Alex Wallis Leonie Elliott as Fiona, Clara's Flatmate Duncan Pow as Garrett Scholes Charles Babalola as Tusk Katherine Kingsley as Dana Costello Imogen Daines as MRI Technician Matheus Mirek as Delivery Man Anita Anand as News Anchor Georgina Rich as Tess Wallender Faiza Shaheen as Pundit Jeremy Booth as Dog Walker Reon Smith Marshall as Aaron Sheen Ziggy Heath as MRI Doctor Cecilia Noble as Dame Patricia Lamarr Jonas Karlsson as Rasmus Sjoberg Robin Pearce as Harry Barclay Michael Bott as Inquiry Officer James Larkin as Simon Powers Matt Forde as Pundit Jane Bertish as Head of MI5 Tom Ashley as Paramedic
