• 
  Michael Sheen

  H.G. Wells
• 
  Sally Hawkins

  Rebecca West
• 
  Dermot Crowley

  George Bernard Shaw
• 
  Jacek Koman

  Maxim Gorky
• 
  Branka Katic

  Maura Budberg
• 
  Michael Cochrane

  Preot
• 
  Chris Wilson

  Reporter
• 
  Roger Heathcott

  Josef Stalin

• 
  Gregor Lyon

  montaj
• 
  Leanne Klein

  producător
• 
  Ben Baird (I)

  sound department