Kathleen Turner was 26 in Body Heat when she played the character 'Matty Walker'.
That was over 43 years ago in 1981.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 69, and has starred in 63 movies in total, 62 of those since Body Heat was released.
In Body Heat, I think Kathleen Turner looks: