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.
Ramon Novarro
as Archduke Paul 'Gustl' Gustave
Evelyn Laye
as Elizabeth Katherine Anne 'Lisl' Gluck
Charles Butterworth
as Willy Fitch
Una Merkel
as Fanni Kerner
Edward Everett Horton
as Baron Szereny
Donald Cook
as Toni Berngruber
Henry Stephenson
as Emperor Franz Josef
Rosalind Russell
as Countess Zarika Rafay
Herman Bing
as Nepomuk
Florine Baile
as Undetermined Role (uncredited)
Max Barwyn
as Max - the Waiter (uncredited)
Art Berry Sr.
as Undetermined Role (uncredited) (unconfirmed)
