Curtis Armstrong was 28 in Risky Business when he played the character 'Miles'.
That was over 41 years ago in 1983.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 70, and has starred in 56 movies in total, 55 of those since Risky Business was released.
In Risky Business, I think Curtis Armstrong looks: