Cast
Morgan Wallace
Frederick - Aide-de-Camp (uncredited)
Paul Hurst
Headwaiter
Walter Catlett
Headwaiter
Sidney Kibrick
Boy
Maynard Holmes
Bugler
Herbert Heywood
Sepp - Wagon Driver
Gene Morgan
Waiter
Henry Victor
Dutch Officer
Robert Cummings
Corporal Harry Marten
Mischa Auer
Gustav
Franklin Pangborn
Wiedlemeyer
Henry Stephenson
Emperor Franz Joseph
Samuel S. Hinds
Von Zimmel
Bobby Barber
Waiter Who Spills Tray (uncredited)
Howard Hickman
Colonel (uncredited)
Frank Austin
Customer
Carl M. Leviness
Townsman
Reginald Denny
The Major
Eddie Acuff
Earl (uncredited)
Frank Jaquet
Detective
S.Z. Sakall
Latislav Teschek - the Baker
John Banner
Cymbalist (uncredited)
Harry C. Bradley
Mandate
Aubrey Mather
Baron
Kathryn Adams
Girl with Fortune Teller
Claire James
Cafe Customer
Tony Paton
Waiter
Douglas Wood
General
George O'Hanlon
Peasant (uncredited)
Grace Hayle
Mrs. Burkhart
Fay Holderness
Townswoman
Ethelreda Leopold
Townswoman (uncredited)
Stanley Blystone
Detective
Frank Sully
Bert - Shawl Salesman
Deanna Durbin
Ilonka Tolnay
Jack Chefe
Josef - Waiter
Dora Clement
Mrs. Tressler
Billy Lenhart
Max
Leon Belasco
Violinist Orchestra Leader
Eric Mayne
Nobleman
Eddie Polo
Cafe Proprietor
Wade Boteler
Sergeant
Ronald R. Rondell
Restaurant Patron
Anne Gwynne
Jenny
Kenneth Brown
Moritz
William Gould
Chief of Detectives
Peggy Moran
Archduchess Irene
Edward Gargan
Inga - the Fortune Teller