William Devane was 26 in In the Country when he played an uncredited character.
That was over 57 years ago in 1967.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 84, and has starred in 77 movies in total, 76 of those since In the Country was released.
In In the Country, I think William Devane looks: