Lilli Palmer

as Baroness Edith de Kekesfalva

Albert Lieven

as Lt. Anton Marek

Cedric Hardwicke

as Dr. Albert Condor

Gladys Cooper

as Mrs. Klara Condor

Linden Travers

as Ilona Domansky

Ernest Thesiger

as Baron Emil de Kekesfalva

Emrys Jones

as Lt. Joszi Molnar