Dianne Wiest was 25 in Zalmen, or, The Madness of God when she played the character 'Nina'.
That was over 49 years ago in 1975.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 76, and has starred in 54 movies in total, 52 of those since Zalmen, or, The Madness of God was released.
In Zalmen, or, The Madness of God, I think Dianne Wiest looks: