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

Arthur Nightingale

Bryant

Amanda Fairbank-Hynes

Belinda

Peter McNeil O'Connor

Fawn

Matyelok Gibbs

Mrs Pope-Graham

Philip Hill-Pearson

Norman

Jamie Thomas King

Kaspart

Stuart Graham

Minister

Sarah-Jane Wright

Mary Alleline

Katrina Vasilieva

Ann Smiley

Linda Marlowe

Mrs McCraig

William Haddock

Bill Roach

Erskine Wylie

Spikeley

Philip Martin Brown

Tufty Thesinger

Tomasz Kowalski

Boris

Alexandra Salafranca

Turkish Mistress

Dennis Good

Ivan

Oleg Dzhabrailov

Sergei

Gillian Stevenson

Listening Woman

Nick Hopper

Janitor Alwyn

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

Harvey Walsh

Schoolboy (uncredited)