• 
  Terence Young

  regizor

• 
  Jo Eisinger

  scenarist

• 
  Michael Caine

  Philip Kimberley / Sergei Kuzminsky
• 
  Laurence Olivier

  Sir Gerald Scaith
• 
  Susan George

  Penelope Kimberley
• 
  Charles Gray

  Sir James Chorley
• 
  Michael Medwin

  Milroy
• 
  Peter Hutchins

  Connolly

• 
  Sabine Sun

  Dr. Zilenka
• 
  Robert Powell

  Jamie Fraser
• 
  Peter Burton

  Douglas Ransom
• 
  Bill Shine

  Commissionaire
• 
  John Franklyn-Robbins

  English doctor
• 
  Jana Shelden

  Air hostess
• 
  Michael Scott

  Philip Kimberly/Sergei Kuzminsky

• 
  Anthony Pullen Shaw

  Matthews
• 
  Jennifer Jayne

  Nurse
• 
  Nigel Le Vaillant