Tinker Tailor Soldier Spy - Season 1 - Eps 7: Flushing Out the Mole
The waiting has paid off and the traps closes on Karla's mole. It is agreed to trade him against several English spies who were captured by the KGB, but Prideaux is still not found and he has an open account to settle with the mole. With the command structure of the Circus hollowed out and containment in progress, Smiley cannot come in from the cold but remains to pick up the pieces.
About Tinker Tailor Soldier Spy

Title: Tinker Tailor Soldier Spy
First Air Date: 1979-09-10
Last Air Date: 1979-10-22
Status: Ended
Rating: 7.6/10 (from 112 votes)
Language: EN
Seasons: 2
Total Episodes: 7
Network: BBC Two
Genres: War & Politics, Drama, Mystery
Production Companies: BBC, Paramount Pictures
Synopsis
George Smiley, the aging master spy of the Cold War and once heir apparent to Control, is brought back out of retirement to flush out a top level mole within the Circus. Smiley must travel back through his life and murky workings of the Circus to unravel the net spun by his nemesis Karla 'The Sandman' of the KGB and reveal the identity of the mole before he disappears.
Cast

Alec Guinness
George Smiley

Michael Jayston
Peter Guillam

Anthony Bate
Oliver Lacon

George Sewell
Mendel

Bernard Hepton
Toby Esterhase

Ian Richardson
Bill Haydon

Hywel Bennett
Ricki Tarr

Terence Rigby
Roy Bland

Ian Bannen
Jim Prideaux

Michael Aldridge
Percy Alleline