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
Evelyn Laye
Charles Butterworth
Una Merkel
Edward Everett Horton
Donald Cook
Henry Stephenson
Rosalind Russell
Herman Bing
Florine Baile
Max Barwyn
Art Berry Sr.
Albert Conti
George Davis
Carlos De Valdez
Chico De Verdi
Billy Dooley
Elspeth Dudgeon
Kay English
Charles Judels
Edith Kingdon
Michael Mark
Torben Meyer
Harry 'Snub' Pollard
Christian Rub
Charles Unger
Gustav von Seyffertitz