Julianne Moore was 28 in Money, Power, Murder. when she played the character 'Peggy Lynn Brady'.
That was over 34 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 63, and has starred in 106 movies in total, 100 of those since Money, Power, Murder. was released.
In Money, Power, Murder., I think Julianne Moore looks: