
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.

2003-06-02

2003-06-09

2003-06-16

2003-06-23

2003-07-07

2003-07-14

2003-07-21

2003-07-28

2003-08-04

2003-08-11

as Malcolm Wynn-Jones

as Colin Wells

as Jim North

as Patrick McCann

as MI5 Officer

as Miroslav Gradic

as Gradic Henchman

as SAS Officer

as Sarah

as Maisie Simm

as Ellie Simm

as Policeman

as George

as Carlo Franceschini

as Vicki Westbrook

as Rado

as Bomb Disposal Officer

as MI5 Officer

as Rado's Colleague