Episode 2
Radiation teams swarm across London in a rush to secure potentially contaminated sites visited by the Russian spy.
Editing
Robert Frost · Editor
Guest Stars (18)
Marcus Onilude as Aidan
Sam Troughton as DI Brian Tarpey
Estella Daniels as Dr. Onome George
Dan Renton Skinner as James Cairns
Nikolai Tsankov as Boris Berezovsky
David Tennant as Alexander Litvinenko
Sarah Naudi as Dr. Justine Adams
Ian Conningham as Dr. Nick Gent
Maggie Evans as Professor Pat Troop
Edward Baker-Duly as Martin Svensson
Aleksandar Mikic as Dmitry Kovtun
Radosław Kaim as Andrey Lugovoy
Simon Paisley Day as Sir John Scarlett
Kareem Alexander as Michael
Antonio Magro as Mario Scaramella
Kimberley Sterling as ICU Nurse (uncredited)
Chris Wilson as Cobra Police Commander (uncredited)
Paul Riddell as Diplomat (uncredited)