Cast
Grace Moore
Princess Elizabeth / Cissy
Walter Connolly
Maximilian, Duke of Bavaria
Elisabeth Risdon
Grand Duchess Sofia
Victor Jory
Capt. Palfi
Frieda Inescort
Princess Helena
Franchot Tone
Emperor Franz Josef
George Hassell
Herlicka
Johnny Arthur
Chief of the Secret Police
Raymond Walburn
Col. Von Kempen
Thurston Hall
Major
Herman Bing
Pretzelberger
Nana Bryant
Louise
Gwen Verdon
Specialty Ballerina (uncredited)
Eve Southern
Gypsy Fortune Teller (uncredited)
Maria Riva
Girl Playing Violin (uncredited)