James Wan was 25 in The Making of Saw when he played the character 'Himself'.
That was over 20 years ago in 2004.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 47, and has starred in 9 movies in total, 7 of those since The Making of Saw was released.
In The Making of Saw, I think James Wan looks: