Jimmy Karz was 11 in Matilda when he played the character 'Bruce Bogtrotter'.
That was over 28 years ago in 1996.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 39, and has starred in 3 movies in total, 2 of those since Matilda was released.
In Matilda, I think Jimmy Karz looks: