Cast 27

1. 

   Ramon Novarro

   Archduke Paul 'Gustl' Gustave

2. 

   Evelyn Laye

   Elizabeth Katherine Anne 'Lisl' Gluck

3. 

   Charles Butterworth

   Willy Fitch

4. 

   Una Merkel

   Fanni Kerner

5. 

   Edward Everett Horton

   Baron Szereny

6. 

   Donald Cook

   Toni Berngruber

7. 

   Henry Stephenson

   Emperor Franz Josef

8. 

   Rosalind Russell

   Countess Zarika Rafay

9. 

   Herman Bing

   Nepomuk

10. Florine Baile

    Undetermined Role (uncredited)

11. 

    Max Barwyn

    Max - the Waiter (uncredited)

12. Art Berry Sr.

    Undetermined Role (uncredited) (unconfirmed)

13. 

    Albert Conti

    Mueller (uncredited)

14. 

    George Davis

    Milkman (uncredited)

15. Carlos De Valdez

    Adjutant (uncredited)

16. Chico De Verdi

    Undetermined Role (uncredited) (unconfirmed)

17. 

    Billy Dooley

    Coronetist (uncredited)

18. 

    Elspeth Dudgeon

    Duchess of Reidheim (uncredited)

19. 

    Kay English

    Undetermined Role (uncredited)

20. 

    Charles Judels

    Riccardi (uncredited)

21. Edith Kingdon

    Dowager at Opera House (uncredited)

22. 

    Michael Mark

    Messenger from Restaurant (uncredited)

23. 

    Torben Meyer

    Adjutant (uncredited)

24. 

    Harry 'Snub' Pollard

    Drummer (uncredited)

25. 

    Christian Rub

    Café Proprietor (uncredited)

26. Charles Unger

    Undetermined Role (uncredited)

27. 

    Gustav von Seyffertitz

    Ambassador (uncredited)

Crew 24