Koľko rokov mali herci vo filme Modrý závoj (1941)?

Marta Hornová, a blind soloist of the radio orchestra, becomes acquainted with the actor of the state drama Robert Holan. He also meets her sister Helena, a talented sculptor, whom he mistakes for Marta. However, when he returns her blue veil, which she supposedly lost during their meeting in the radio building, Helena realizes that Holan actually loves her sister...