James Badge Dale was 10 in Lord of the Flies when he played the character 'Simon'.
That was over 34 years ago in 1990.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 46, and has starred in 35 movies in total, 32 of those since Lord of the Flies was released.
In Lord of the Flies, I think James Badge Dale looks: