Michael Caine
Role: Harry Palmer
Karl Malden
Role: Leo Newbigen
Ed Begley
Role: General Midwinter
Oskar Homolka
Role: General Stok
Françoise Dorléac
Role: Anya
Guy Doleman
Role: Colonel Ross
Vladek Sheybal
Role: Dr. Eiwort
Janos Kurutz
Role: Latvian Gangster
Alexei Jawdokimov
Role: Latvian Gangster
Paul Tamarin
Role: Latvian Gangster
Izabella Telezynska
Role: Latvian Gangster
Mark Elwes
Role: Birkenshaw
Stanley Caine
Role: GPO Special Delivery Boy
Susan George
Role: Russian Girl on Train
Miki Iveria
Role: Russian Woman on Train
Jill Mai Meredith
Role: Russian Girl on Train
Michael Stayner
Role: Scientist
Donald Sutherland
Role: Scientist at Computer
George Roubicek
Role: Edgar
Brandon Brady
Role: Chief of Security
Fred Griffiths
Role: Taxi Driver
Gregg Palmer
Role: 1st Dutch Businessman
John Herrington
Role: 2nd Dutch Businessman
Hans De Vries
Role: 3rd Dutch Businessman
Alex Marchevsky
Role: Russian Radar Operator
Peter Forest
Role: 2nd Russian Radar Operator
Reed De Rouen
Role: Observer
Frederick Schrecker
Role: Old Man on Train
Dolly Brennan
Role: Old Woman in Gangster's Hut
Bill Mitchell
Role: Guard at Midwinter's House
Max Kirby
Role: Shoe Shop Assistant
Steve Emerson
Role: Russian Plainclothesman
Mark Moss
Role: Russian Plainclothesman
Gertan Klauber
Role: Dr. Kaarna (uncredited)
Harry Fielder
Role: Cowboy at Barndance (uncredited)