• 
  John Cromwell

  regizor

• 
  Edward E. Rose

  scenarist

• 
  David Niven

  Capt. Fritz von Tarlenheim
• 
  Mary Astor

  Antoinette de Mauban
• 
  Ronald Colman

  Rudolf Rassendyll / Regele Rudolf al V-lea
• 
  Madeleine Carroll

  Printesa Flavia
• 
  Raymond Massey

  Black Michael
• 
  Florence Roberts

  Duenna

• 
  Arthur Byron
• 
  Russ Powell

  Traveler
• 
  Francis Ford (I)
• 
  Ben Webster

  Lord Topham
• 
  Lawrence Grant

  Marshal Strakencz
• 
  Byron Foulger

  Johann
• 
  Ian Maclaren

  Cardinal

• 
  C. Aubrey Smith

  Col. Zapt
• 
  Torben Meyer

  Max
• 
  Charles K. French

  Bishop
• 
  Douglas Fairbanks Jr.

  Rupert of Hentzau
• 
  D'Arcy Corrigan

  Traveler
• 
  Alexander D'Arcy

  De Gautet
• 
  Montagu Love

  Detchard
• 
  Otto Fries

  Luggage officer
• 
  Raymond Massey

  Black Michael
• 
  Philip Sleeman

  Albert von Lauengram
• 
  Margaret Tallichet

  (scenes deleted)
• 
  Eleanor Wesselhoeft

  Frau Holf - Cook