Gary Oldman
George Smiley

Colin Firth
Bill Haydon

Tom Hardy
Ricki Tarr

John Hurt
Control

Toby Jones
Percy Alleline

Mark Strong
Jim Prideaux

Benedict Cumberbatch
Peter Guillam

Ciarán Hinds
Roy Bland

David Dencik
Toby Esterhase

Kathy Burke
Connie Sachs

Stephen Graham
Jerry Westerby

Simon McBurney
Oliver Lacon

Svetlana Khodchenkova
Irina

Roger Lloyd Pack
Mendel

Konstantin Khabenskiy
Polyakov

Christian McKay
Mackelvore

Zoltán Mucsi
Magyar

Péter Kálloy Molnár
Hungarian Waiter

Ilona Kassai
Woman in Window

Imre Csuja
KGB Agent

Amanda Fairbank-Hynes
Belinda

Matyelok Gibbs
Mrs Pope-Graham

Philip Hill-Pearson
Norman

Jamie Thomas King
Kaspart

Stuart Graham
Minister

Katrina Vasilieva
Ann Smiley

Linda Marlowe
Mrs McCraig

Philip Martin Brown
Tufty Thesinger

Dennis Good
Ivan

Laura Carmichael
Sal

Rupert Procter
Guillam's Boyfriend

John le Carré
Christmas Party Guest

Michael Sarne
Karla (Voice)

Jean-Claude Jay
French Man at Residency

Tom Stuart
Ben