Peter Firth
Harry Pearce
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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.
Top Billed Cast
| Homepage | http://www.bbc.co.uk/programmes/b006mf4b |
|---|---|
| First Air Date | 2002-05-13 |
| Last Air Date | 2011-10-23 |
