Jesse Eisenberg was 17 in Lightning: Fire from the Sky when he played the character 'Eric Dobbs'.
That was over 22 years ago in 2001.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 40, and has starred in 50 movies in total, 46 of those since Lightning: Fire from the Sky was released.
In Lightning: Fire from the Sky, I think Jesse Eisenberg looks: