Stephen Lang was 27 in We're Fighting Back when he played the character 'Janos'.
That was over 43 years ago in 1981.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 71, and has starred in 102 movies in total, 100 of those since We're Fighting Back was released.
In We're Fighting Back, I think Stephen Lang looks: