How old were the actors in Egy szív megáll (1942)?

Sándor Futó is pathologically jealous of his wife. He suspects everyone, even his wife's impresario. He fears that he will end up like his father, who killed his mother's supposed lover and then committed suicide himself. Alexander wants to prevent this, so he attempts suicide, but without success. After recovering, his jealousy continues to gnaw at his soul.