Overview
Tense drama series about the different challenges faced by the British Security Service as they work against the clock to safeguard the nation. The title is a popular colloquialism for spies, and the series follows the work of a group of MI5 officers based at the service's Thames House headquarters, in a highly secure suite of offices known as The Grid.
Seasons
Creator
Cast
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Peter FirthHarry Pearce -
Nicola WalkerRuth Evershed -
Max BrownDimitri Levendis -
Lara PulverErin Watts -
William HopeJim Coaver -
Alex LanipekunBen Kaplan -
Geoffrey StreatfeildCalum Reed -
Tom Weston-JonesSasha Gavrik -
Alice KrigeElena Gavrik -
Jonathan HydeIlya Gavrik -
Simon Russell BealeWilliam Towers
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