Top Billed Cast

• 

  Patrice Munsel

  Nellie Melba
• 

  Robert Morley

  Oscar Hammerstein I
• 

  John McCallum

  Charles Armstrong
• 

  John Justin

  Eric Walton
• 

  Alec Clunes

  Cesar Carlton
• 

  Martita Hunt

  Mme. Marchesi
• 

  Sybil Thorndike

  Queen Victoria
• 

  Joseph Tomelty

  Thomas Mitchell
• 

  Beatrice Varley

  Aunt Catherine
• 

  Violetta Elvin

  Prima Ballerina
• 

  Cecile Chevreau

  Annette
• 

  Theodore Bikel

  Paul Brotha
• 

  Charles Craig

  Man (uncredited)
• 

  Marcel Poncin

  Roger (uncredited)
• 

  Robert Rietti

  Italian Policeman (uncredited)
• 

  Bill Shine

  Man (uncredited)
• 

  Dorit Welles

  Adelina Patti (uncredited)