Anne Bancroft was 17 in The Man Who Had Influence when she played the character 'Maria Cassini'.
That was over 73 years ago in 1950.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
In 2005 she died aged 73, starring in 71 films in her career, 68 of those after The Man Who Had Influence was first released. If she were alive today she would be 91.
In The Man Who Had Influence, I think Anne Bancroft looks: