Embeth Davidtz was 22 in Mutator when she played the character 'Jennifer'.
That was over 35 years ago in 1989.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 58, and has starred in 38 movies in total, 36 of those since Mutator was released.
In Mutator, I think Embeth Davidtz looks: