Edmund Gwenn character Johann Strauss, the Elder
Esmond Knight character Johann Strauss, the Younger
Jessie Matthews character Resi Ebezeder
Fay Compton character Countess Helga von Stahl
Frank Vosper character Prince Gustav
Robert Hale character Ebezeder
Charles Heslop character Valet
Hindle Edgar character Leopold
Marcus Barron character Anton Drexler
Betty Huntley-Wright character Lady's Maid
Bertram Dench character Engine Driver (uncredited)
Sybil Grove character Mme. Fouchett (uncredited)
B.M. Lewis character Domeyer (uncredited)
Bill Shine character Carl (uncredited)
John Singer character Boy (uncredited)
Cyril Smith character Secretary
