Helen McCrory was 37 in Becoming Jane when she played the character 'Mrs. Radcliffe'.
That was over 17 years ago in 2007.
In 2021 she died aged just 52, starring in 48 films in her career, 24 of those after Becoming Jane was first released. If she were alive today she would be 55.
In Becoming Jane, I think Helen McCrory looks: