Leigh Taylor-Young was 22 in I Love You, Alice B. Toklas! when she played the character 'Nancy'.
That was over 56 years ago in 1968.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 79, and has starred in 31 movies in total, 30 of those since I Love You, Alice B. Toklas! was released.
In I Love You, Alice B. Toklas!, I think Leigh Taylor-Young looks: