The Night Is Young

Young Austrian Archduke Paul "Gustl" Gustave is in an arranged engagement but his uncle, the emperor, decides to let Gustl carry on a fling with ballet dancer Lisl Gluck.

• 
  Dudley Murphy

• 
  Ramon Novarro
  Archduke Paul 'Gustl' Gustave
• 
  Evelyn Laye
  Elizabeth Katherine Anne 'Lisl' Gluck
• 
  Charles Butterworth
  Willy Fitch
• 
  Una Merkel
  Fanni Kerner
• 
  Edward Everett Horton
  Baron Szereny
• 
  Donald Cook
  Toni Berngruber
• 
  Henry Stephenson
  Emperor Franz Josef
• 
  Rosalind Russell
  Countess Zarika Rafay
• 
  Herman Bing
  Nepomuk
• 
  Florine Baile
  Undetermined Role (uncredited)
• 
  Max Barwyn
  Max - the Waiter (uncredited)
• 
  Art Berry Sr.
  Undetermined Role (uncredited) (unconfirmed)
• 
  Albert Conti
  Mueller (uncredited)
• 
  George Davis
  Milkman (uncredited)
• 
  Carlos De Valdez
  Adjutant (uncredited)
• 
  Chico De Verdi
  Undetermined Role (uncredited) (unconfirmed)
• 
  Billy Dooley
  Coronetist (uncredited)
• 
  Elspeth Dudgeon
  Duchess of Reidheim (uncredited)
• 
  Kay English
  Undetermined Role (uncredited)
• 
  Charles Judels
  Riccardi (uncredited)