Elijah Wood was 7 in Back to the Future Part II when he played the character 'Video Game Boy'.
That was over 34 years ago in 1989.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 43, and has starred in 86 movies in total, 84 of those since Back to the Future Part II was released.
In Back to the Future Part II, I think Elijah Wood looks: