Deanna Durbin
— Ilonka Tolnay
Robert Cummings
— Corporal Harry Marten
Миша Ауэр
— Gustav
Henry Stephenson
— Emperor Franz Joseph
S.Z. Sakall
— Latislav Teschek - the Baker
Walter Catlett
— Headwaiter
Anne Gwynne
— Jenny
Peggy Moran
— Archduchess Irene
Reginald Denny
— The Major
Kenneth Brown
— Moritz
Billy Lenhart
— Max
Franklin Pangborn
— Wiedlemeyer
Edward Gargan
— Inga - the Fortune Teller
Wade Boteler
— Sergeant
Samuel S. Hinds
— Von Zimmel
Leon Belasco
— Violinist Orchestra Leader
Eddie Acuff
— Earl (uncredited)
John Banner
— Cymbalist (uncredited)
Bobby Barber
— Waiter Who Spills Tray (uncredited)
Howard Hickman
— Colonel (uncredited)
Ethelreda Leopold
— Townswoman (uncredited)
George O'Hanlon
— Peasant (uncredited)
Morgan Wallace
— Frederick - Aide-de-Camp (uncredited)
Kathryn Adams
— Girl with Fortune Teller
Herbert Ashley
— Detective
Michael Audley
— Hans
Frank Austin
— Customer
Polly Bailey
— Minnie
Vangie Beilby
— Townswoman
Stanley Blystone
— Detective