How old was Valentin Kozachkov in Comrade Song?

Nina AlisovaNina Alisova was 50 in Comrade Song as 'мать'.

Birthday: Tue, Dec 14 1915 –
Sat, Oct 12 1996

Vasili LanovoyVasili Lanovoy was 31 in Comrade Song as 'Сергей'.

Birthday: Tue, Jan 16 1934 –
Thu, Jan 28 2021

Savely KramarovSavely Kramarov was 31 in Comrade Song as 'радист Алеша'.

Birthday: Sat, Oct 13 1934 –
Tue, Jun 06 1995

Valentin KozachkovValentin Kozachkov was 31 in Comrade Song as 'Director'

Birthday: Fri, Feb 02 1934 –
Mon, Dec 24 2012