How old were the actors in Két lány az utcán (1939)?

Two girls run away from a small village. Gyöngyi comes from an aristocratic family and her father throws her out of the house when he discovers she has gotten pregnant out of wedlock. She finds herself wandering the streets of Budapest and earns money playing the violin in a restaurant. Vica is an orphaned peasant; she is afraid of her stepfather and moves to the city where she gets a job on a construction site. Gyöngyi and Vica meet on the streets of Budapest, move in together and turn their lives around.