How old were the actors in Il delitto di Giovanni Episcopo (1947)?

Giovanni used to be a humble, mild-mannered government clerk whose life was turned upside down when he met Giulio, a notorious forger who at once set about manipulating the over-confident man. Giovanni did what he should never have done: he associated himself with the crook. Giulio soon laid hands on Giovanni's money, ruined his career and manhandled him into marrying his own mistress, the beautiful Ginevra. It was of course an unhappy marriage but Giovanni found a little solace when his son Ciro was born. Seven years later though, Wanzer resurfaced...