https://factburger.com/filmburger/movie/nelly-the-spy-1981
Nelly, The Spy – Berlin, 1936. A Greek student, Nelly, abandons her studies and with the assistance of Jewish Vili Foster makes her debut as a cabaret singer. Soon becomes famous and reputation attracts the attention of a colonel of the SS, the Chenrich, who besieges closely. With the declaration of war, Nelly and Ville come to Greece, and with the occupation of the country by the Germans they pass to the Resistance.