Sam J. Jones was 24 in 10 when he played the character 'David Hanley'.
That was over 45 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 69, and has starred in 56 movies in total, 56 of those since 10 was released.
In 10, I think Sam J. Jones looks: