Tinker Tailor Soldier Spy title Control (Alexander Knox) sends Jim Prideaux (Ian Bannen) out on Operation Testify Control's board of suspects, which also includes George Smiley Percy Alleline (Michael Aldridge) Roy Bland (Terence Rigby) Bill Haydon (Ian Richardson) Toby Esterhase (Bernard Hepton) Guillam (Michael Jayston), Smiley (Alec Guinness) and Lacon (Anthony Bate) listen to Ricki Tarr's (Hywel Bennett) story Tarr (Hywel Bennett) gets far too involved with Irina (Susan Kodicek) In order to check the facts, George visits the Circus ex-head of research, Connie Sachs (Beryl Reid) Laco, Guillam and Smiley discuss thier progress at finding "Gerald" Is Esterhase (Bernard Hepton) as loyal to his country as everyone thinks? Roy Bland (Terence Rigby) is out for himself - but is that reason enought to suspect he's the traitor? Smiley starts digging into Bill Haydon's (Ian Richardson) part in Testify However, Haydon is still able to rattle Smiley using his past association with George's wife, Ann Guillam (Michael Jayston) gets more information on Testify for George Guillam's investigations get him brought before the current members of "London Station" The younger Smiley interrogates Karla, thern posing as Gestmann Karla (Patrick Stewart) Prideaux trusts the boys at Thursgood like Roach (Duncan Jones) more than his ex-Circus colleagues Sam Collins (John Standing) receives a visit from George Smiley Prideaux has some unnerving information about Testify for George which isn't in the files... Just how indiscreet has Westerby (Joss Ackland) been, and has it alerted "Gerald"? It comes time for Esterhase to reveal his part to Smiley and Guillam At Lock Gardens, it's time to reveal "Gerald" - he we see Haydon, Mendal (George Sewell) and Polyakov (George Pravda) George outlines his plan to keep "Gerald" on ice until he can be deported to Alleline Meeting with Ann (Sian Philips), George finds that there are still some secrets out there...