In the final part of John le Carre's classic story, George Smiley's search for the mole at the heart of the Circus finally comes to an end.
Discover 11,128,835 listings and 279,872 playable programmes from the BBC
In the final part of John le Carre's classic story, George Smiley's search for the mole at the heart of the Circus finally comes to an end.