• 
  Michael Anderson

  regizor

• 
  John Patrick

  scenarist
• 
  John Patrick (II)

  scenarist
• 
  James Kennaway

  scenarist

• 
  Anthony Quinn

  Kiril Pavlovich Lakota
• 
  Laurence Olivier

  Piotr Ilyich Kamenev
• 
  Oskar Werner

  David Telemond
• 
  George Pravda

  Gorshenin

• 
  Vittorio De Sica

  cardinalul Rinaldi
• 
  Leopoldo Trieste
• 
  Frank Finlay

  Igor Bounin
• 
  John Gielgud
• 
  Isa Miranda
• 
  Niall MacGinnis

  călugăr capucin
• 
  Jean Rougeul

• 
  John Frederick

  cardinal american
• 
  David Janssen

  George Faber
• 
  Burt Kwouk

  Peng
• 
  Marne Maitland

  cardinalul Rahamani
• 
  Peter Copley

  cardinal englez
• 
  Leo McKern

  cardinalul Leone
• 
  Rosemary Dexter

  Chiara
• 
  Arnoldo Foà

  Gelasio
• 
  Clive Revill

  tovarășul Vucovich
• 
  Barbara Jefford

  dr. Ruth Faber
• 
  Paul Rogers

  Augustinian
• 
  Gerald Harper

  Brian
• 
  Arthur Howard

  cardinal englez
• 
  Åke Lindman
• 
  Dom Moor

  cardinal polonez
• 
  Alfred Thomas

  cardinal african

• 
  George Englund (I)

  producător
• 
  Erwin Hillier

  imagine
• 
  Orietta Nasalli-Rocca

  costume
• 
  Ernest Walter

  montaj
• 
  Alex North

  coloană sonoră
• 
  Morris L. West

  după un roman de
• 
  Hugh Hunt

  decoruri
• 
  Dorcy Howard

  decoruri