Michael Hordern

Ashe

George Voskovec

East German Defense Attorney

Graham Armitage

Pawson (uncredited)

Claire Bloom

Nan Perry

Richard Marner

Vopo Captain

Bernard Lee

Patmore

David Bauer

Young Judge (uncredited)

Cyril Cusack

Control

Richard Burton

Alec Leamas

Esmond Knight

Old Judge

Sam Wanamaker

Peters

Oskar Werner

Fiedler

Niall MacGinnis

German Checkpoint Guard

Martin Ritt

Director

Steve Plytas

East German Judge

Tom Stern

CIA Agent

George Mikell

German Checkpoint Guard

Anne Blake

Miss Crail

Rupert Davies

George Smiley

Peter van Eyck

Hans-Dieter Mundt

Robert Hardy

Dick Carlton

Beatrix Lehmann

Tribunal President

Scot Finch

German Guide

Warren Mitchell

Mr. Zanfrello

Richard Caldicot

Mr. Pitt - Employment Officer (uncredited)