George Smiley

Gary Oldman

Bill Haydon

Colin Firth

Richard Berk

Bruce Greenwood

Thomas Ludlow

Ned Beatty

Connie Sachs

Kathy Burke

Angela Berk

Catherine Hicks

Ricki Tarr

Tom Hardy

Peter Guillam

Benedict Cumberbatch

Frank Harvey

Jameson Parker

Jim Prideaux

Mark Strong

Toby Esterhase

David Dencik

Control

John Hurt

Tony Cooper

Michael Tucker

Percy Alleline

Toby Jones

David Tiomchin

Tim Choate

Jerry Westerby

Stephen Graham

Roy Bland

Ciarán Hinds

Oliver Lacon

Simon McBurney

Dolores

Riad

Irina

Svetlana Khodchenkova

Polyakov

Konstantin Khabensky

Magyar

Zoltán Mosci

Mendel

Roger Lloyd Pack

Bryant

Arthur Nightingale

Mackelvore

Christian McKay

Belinda

Amanda Fairbank-Hynes

Magyar

Zoltán Mucsi

Hungarian Waiter

Péter Kálloy Molnár

Woman in Window

Ilona Kassai

Voice of Karla

Michael Sarne

KGB Agent

Imre Csuja

Mrs. Pope Graham

Matyelok Gibbs

Norman

Philip Hill-Pearson

Kaspart

Jamie Thomas King

Minister

Stuart Graham

Fawn

Peter McNeil O'Connor

Mary Alleline

Sarah-Jane Robinson

Ann Smiley

Katrina Vasilieva

Mrs. McCraig

Linda Marlowe

Bill Roach

William Haddock

Mary Alleline

Sarah-Jane Wright

Spikeley

Erskine Wylie

Tufty Thesinger

Philip Martin Brown

Boris

Tomasz Kowalski

Turkish Mistress

Alexandra Salafranca

Ivan

Denis Khoroshko

Sergei

Oleg Dzhabrailov

Listening Woman

Gillian Steventon

Janitor Alwyn

Nick Hopper

Ivan

Dennis Good

Sal

Laura Carmichael

Guillam's Boyfriend

Rupert Procter

Listening Woman

Gillian Stevenson

Christmas Party Guest

John le Carré

French Man at Residency

Jean-Claude Jay

Ben

Tom Stuart

Schoolboy (uncredited)

Harvey Walsh

Mechanic

Lutz Michael