Debra Paget was 14 in Cry of the City when she played the character 'Teena Riconti'.
That was over 76 years ago in 1948.
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 33 movies in total, 32 of those since Cry of the City was released.
In Cry of the City, I think Debra Paget looks: