• 
  René Clair

  regizor

• 
  Dudley Nichols

  scenarist

• 
  Barry Fitzgerald

  Francis J. Quinncannon
• 
  Walter Huston

  Dr. Edward G. Armstrong
• 
  Louis Hayward

  Philip Lombard
• 
  Roland Young

  William Henry Blore
• 
  June Duprez

  Vera Claythorne
• 
  Judith Anderson

  Emily Brent

• 
  C. Aubrey Smith

  General Sir John Mandrake
• 
  Mischa Auer

  Prince Nikita 'Nikki' Starloff
• 
  Queenie Leonard

  Ethel Rogers
• 
  Richard Haydn

  Thomas Rogers
• 
  Harry Thurston

  Fred Narracott

• 
  Agatha Christie

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