Terry O'Quinn was 26 in F.D.R.: The Last Year when he played the character 'James Roosevelt'.
That was over 44 years ago in 1980.
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 72 movies in total, 71 of those since F.D.R.: The Last Year was released.
In F.D.R.: The Last Year, I think Terry O'Quinn looks: