Angie Dickinson was 21 in Lucky Me when she played the character 'Party Guest (uncredited)'.
That was over 69 years ago in 1954.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 91, and has starred in 102 movies in total, 101 of those since Lucky Me was released.
In Lucky Me, I think Angie Dickinson looks: