Kyle MacLachlan was 24 in Dune when he played the character 'Paul Atreides'.
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 65, and has starred in 80 movies in total, 77 of those since Dune was released.
In Dune, I think Kyle MacLachlan looks: