Brett Cullen was 27 in Single Bars, Single Women when he played the character 'Duane'.
That was over 39 years ago in 1984.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 67, and has starred in 62 movies in total, 60 of those since Single Bars, Single Women was released.
In Single Bars, Single Women, I think Brett Cullen looks: