Amy Hill was 29 in Mountaintop Motel Massacre when she played the character 'Prissy'.
That was over 40 years ago in 1983.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 70, and has starred in 43 movies in total, 42 of those since Mountaintop Motel Massacre was released.
In Mountaintop Motel Massacre, I think Amy Hill looks: