Lilli Palmer
Baroness Edith de Kekesfalva
Albert Lieven
Lt. Anton Marek
Cedric Hardwicke
Dr. Albert Condor
Gladys Cooper
Mrs. Klara Condor
Linden Travers
Ilona Domansky
Ernest Thesiger
Baron Emil de Kekesfalva
Emrys Jones
Lt. Joszi Molnar
Ralph Truman
Maj. Sandor Balinkay
Fritz Wendhausen
Josef
John Salew
Col. Franz Bubencic
Freda Jackson
Gypsy
Gerhard Kempinski
Mayor Jan Nivak
David Ward
Capt. Ferencz Herczeg
Anthony Dawson
Lt. Blannik
Peter Cotes
Kosma (Orderly)
Ronald Millar
Tabor
Kenneth Warrington
Archduke Franz Ferdinand of Austria
Jenny Laird
Trudi
Hannah Norbert
Frantiska
Gordon Phillott
Franto
Charles Deane
Bridegroom
Vivien James
Bride
Vida Hope
Mrs. Tausky (uncredited)