Pam Grier was 20 in Beyond the Valley of the Dolls when she played the character 'Fourth Woman (as Pamela Grier)'.
That was over 54 years ago in 1970.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 74, and has starred in 91 movies in total, 89 of those since Beyond the Valley of the Dolls was released.
In Beyond the Valley of the Dolls, I think Pam Grier looks: