The State Within is a six-part[1] British television political thriller series, written and created by Lizzie Mickery and Daniel Percival, that was broadcast on BBC One in the United Kingdom from Thursday, 2 November 2006.

[2] The series, directed by Percival and Michael Offer and produced by Grainne Marmion, is a joint production between BBC Films and BBC America that follows Sir Mark Brydon (Jason Isaacs), the British Ambassador to Washington, who is caught in the centre of a political conspiracy threatening to depose Western governments.

[3] In the United States, the series premiered during Presidents Day weekend as a three-part miniseries, concluding on 24 February 2007.

After being repeated on BBC Four in June 2007 as part of the channel's Conspiracy U.S.A. week of programming,[4] the series subsequently released on Netflix worldwide, where it was edited down into seven 50-minute episodes.

Lynne Warner (Sharon Gless) is the United States Secretary of Defense, Nicholas Brocklehurst (Ben Daniels) is nominally the British Counsellor External Affairs, but is a Secret Intelligence Service (MI6) agent assigned to embassy duty, and James Sinclair (Alex Jennings) is the former British ambassador to the fictional former Soviet republic of Tyrgyzstan (cf.