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