Harry Palmer

Michael Caine

Anya

Françoise Dorléac

Leo Newbigen

Karl Malden

General Midwinter

Ed Begley

General Stok

Oskar Homolka

Colonel Ross

Guy Doleman

Dr. Eiwort

Vladek Sheybal

Basil

Milo Sperber

Latvian gangster

Janos Kurutz

Birkinshaw

Mark Elwes

G.P.O. Delivery Boy

Sidney Caine

Latvian gangster

Alexei Jawdokimov

Latvian gangster

Paul Tamarin

Latvian Gangster

Izabella Telezynska

GPO Special Delivery Boy

Stanley Caine

Latvian gangster

Iza Teller

Russian Girl on Train

Susan George

Scientist at Computer

Donald Sutherland

Russian Woman on Train

Miki Iveria

Russian Girl on Train

Jill Mai Meredith

Jim

John Brandon

Macey

Tony Harwood

Scientist

Michael Stayner

Edgar

George Roubicek

Chief of Security

Brandon Brady

Taxi Driver

Fred Griffiths

1st Dutch Businessman

Gregg Palmer

2nd Dutch Businessman

John Herrington

3rd Dutch Businessman

Hans De Vries

Russian Radar Operator

Alex Marchevsky

2nd Russian Radar Operator

Peter Forest

Observer

Reed de Rouen

Observer

Reed De Rouen

Old Man on Train

Frederick Schrecker

Old Woman in Gangster's Hut

Dolly Brennan

Guard at Midwinter's House

Bill Mitchell

Shoe Shop Assistant

Max Kirby

Russian Plainclothesman

Steve Emerson

Russian Plainclothesman

Mark Moss

Dr. Kaarna (uncredited)

Gertan Klauber

Cowboy at Barndance (uncredited)

Harry Fielder