The show featured Matt Smith in his first major television role, portraying Labour Party researcher Danny Foster.

Andrew Buchan played Scott Foster, Danny's older brother and a lobbyist.

The show also starred Shelley Conn as a Tory party parliamentary researcher and aspiring Minister, and Andrea Riseborough, who works alongside Danny as an intern.

In Australia, ABC1 began broadcasting the show from 2 December 2008 on a Tuesday 8:30pm timeslot over the ('non-ratings period') summer break.

In the province of British Columbia, Canada, The Knowledge Network began showing the series in September 2011.