Louise Fletcher was 41 in Exorcist II: The Heretic when she played the character 'Dr. Gene Tuskin'.
That was over 47 years ago in 1977.
Today she is 89, and has starred in 84 movies in total, 77 of those since Exorcist II: The Heretic was released.
In Exorcist II: The Heretic, I think Louise Fletcher looks: