• 
  Brian Cox

  Colonel Yevgeni Grushko
• 
  Andy Serkis

  Pyotr
• 
  Dermot Crowley

  Gidaspov
• 
  Kathryn Hunter

  Dr. Sopova
• 
  Jack Klaff

  Milyukin
• 
  Paul Freeman

  Bosenko
• 
  Nicholas Hewetson

  Boris
• 
  Donald Sumpter

  Kartashov

• 
  Jimmy Yuill

  Chazov
• 
  David O'Hara

  Lev
• 
  Dave Duffy

  Nikolai
• 
  Alan Stocks

  Oocho
• 
  Robert Llewellyn

  Petrakov

• 
  Ernest Vincze

  imagine
• 
  David Martin

  montaj

• 
  Liz Green

  editorial department
• 
  Richard King (IX)

  sound department