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.
Cast
Peter Firth
Harry Pearce
Hugh Simon
Malcolm Wynn-Jones
Nicola Walker
Ruth Evershed
Rupert Penry-Jones
Adam Carter
Miranda Raison
Jo Portman
Hermione Norris
Ros Myers
Rory MacGregor
Colin Wells
David Oyelowo
Danny Hunter
Richard Armitage
Lucas North
Keeley Hawes
Zoe Reynolds
Raza Jaffrey
Zafar Younis
Shauna Macdonald
Sam Buxton
Matthew Macfadyen
Tom Quinn
Shazad Latif
Tariq Masood
Gemma Jones
Connie James
Robert Glenister
Home Secretary
Max Brown
Dimitri Levendis
Anna Chancellor
Juliet Shaw
Alex Lanipekun
Ben Kaplan
James Dicker
Wesley Carter
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