Ikue Otani was 24 in I am Devilman, the Devil! when she played the character 'Sayaka (voice)'.
That was over 33 years ago in 1991.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 58, and has starred in 131 movies in total, 131 of those since I am Devilman, the Devil! was released.
In I am Devilman, the Devil!, I think Ikue Otani looks: