Matt Dillon was 14 in Over the Edge when he played the character 'Ritchie White'.
That was over 44 years ago in 1979.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 60, and has starred in 77 movies in total, 73 of those since Over the Edge was released.
In Over the Edge, I think Matt Dillon looks: