Heather Langenkamp was 18 in Nickel Mountain when she played the character 'Callie Wells'.
That was over 40 years ago in 1984.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 59, and has starred in 35 movies in total, 32 of those since Nickel Mountain was released.
In Nickel Mountain, I think Heather Langenkamp looks: