Spooks (TV series)
Spooks (known as MI-5 in some countries) is a British television drama series that originally aired on BBC One from 13 May 2002 to 23 October 2011, consisting of 10 series. 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. It is notable for various stylistic touches, and its use of popular guest actors. In the United States, the show is broadcast under the title "MI-5". In Canada, the programme originally aired as "MI5" but now airs on BBC Canada as "Spooks".
Spooks (series 3)
Though the producers knew that Macfayden would leave the series, they did not know "when" he would do so, and so the first two episodes were initially written without him. In either case, the producers created a new character, Adam Carter. In addition, the writers heavily researched the episodes; many of the story lines are based on truth. The producers also took information from advisors who were ex-MI5 officers. The series was directed in five blocks of two episodes in each. Filming started in January 2004 and took place over six to seven months. Shooting took place almost entirely in London, England, with some scenes shot in a cross-English Channel ferry in the fifth episode.