• 
  John Huston

  Cardinal Glennon
• 
  Romy Schneider

  Annemarie von Hartman
• 
  Ossie Davis

  Father Gillis
• 
  Tullio Carminati

  Cardinal Giacobbi
• 
  Wolfgang Preiss

  S.S. Major
• 
  David Opatoshu

  Mr. Rampell
• 
  Raf Vallone

  Cardinal Quarenghi
• 
  Chill Wills

  Monsignor Whittle

• 
  Rudolf Forster

  Drunk Man at the Ball
• 
  Maggie McNamara

  Florrie Fermoyle
• 
  Josef Meinrad

  Cardinal Innitzer
• 
  Burgess Meredith

  The Rev. Ned Halley
• 
  Tom Tryon

  Stephen Fermoyle
• 
  Arthur Hunnicutt

  Sheriff Dubrow
• 
  Erik Frey

  Seyss-Inquart

• 
  Peter Weck

  Kurt von Hartman
• 
  Murray Hamilton

  Lafe
• 
  Cecil Kellaway

  Monsignor Monaghan
• 
  John Saxon

  Benny Rampell
• 
  Vilma Degischer

  Sister Wilhelmina
• 
  Pat Henning

  Hercule Menton
• 
  Robert Morse

  Bobby and His Adora-Belles
• 
  Jill Haworth

  Lalage Menton
• 
  Carol Lynley

  Mona Fermoyle/Regina Fermoyle