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.
Genre: Drama, Action & Adventure, Crime
Stars: Peter Firth, Nicola Walker, Max Brown, Lara Pulver, William Hope, Alex Lanipekun
Crew: Simon Crawford Collins, Stephen Garrett, Jane Featherstone, Gareth Neame
Country: GB
Studio: BBC One
Runtime: 60:14 minutes
Quality: HD
First air date: May 13, 2002
Last air date: Oct 23, 2011
Episode: 86 Episode
Season: 10 Season
IMDb: 3.382