Tress MacNeille was 30 in The Paragon of Comedy when she played an uncredited character.
That was over 41 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 72, and has starred in 138 movies in total, 138 of those since The Paragon of Comedy was released.
In The Paragon of Comedy, I think Tress MacNeille looks: