• 
  Ken Russell

  regizor

• 
  John McGrath

  scenarist

• 
  Michael Caine

  Harry Palmer
• 
  Karl Malden

  Leo Newbigen
• 
  Guy Doleman

  Colonelul Ross
• 
  Fred Griffiths

  Şofer de taxi
• 
  Donald Sutherland

  Scientist at computer
• 
  Oskar Homolka

  Colonel Stok

• 
  Gregg Palmer

  1st Dutch business man
• 
  Ed Begley

  General Midwinter
• 
  Pirkko Mannola

  extra
• 
  Françoise Dorléac

  Anya
• 
  John Brandon

  Jim
• 
  Susan George

  Russian girl on train
• 
  Michael Scott

  Harry Palmer

• 
  Reed De Rouen

  1st observer
• 
  George Roubicek

  Edgar
• 
  Stanley Caine

  G.P.O. Special Delivery Boy
• 
  Mark Elwes

  Birkenshaw
• 
  Alexei Jawdokimov

  Latvian Gangster
• 
  Janos Kurutz

  Latvian Gangster
• 
  Vladek Sheybal

  Dr. Eiwort
• 
  Milo Sperber

  Basil
• 
  Paul Tamarin

  Latvian Gangster
• 
  Iza Teller

  Latvian Gangster
• 
  Gregg Palmer

  First Dutch Businessman