Charlize Theron was 19 in Children of the Corn III: Urban Harvest when she played the character 'Eli's Follower'.
That was over 28 years ago in 1995.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 48, and has starred in 70 movies in total, 63 of those since Children of the Corn III: Urban Harvest was released.
In Children of the Corn III: Urban Harvest, I think Charlize Theron looks: