Julie Newmar was 17 in She's Working Her Way Through College when she played the character 'Julie'.
That was over 72 years ago in 1952.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 90, and has starred in 40 movies in total, 39 of those since She's Working Her Way Through College was released.
In She's Working Her Way Through College, I think Julie Newmar looks: