Diana Rigg was 66 in The Painted Veil when she played the character 'Mother Superior'.
That was over 18 years ago in 2006.
In 2020 she died aged 82, starring in 49 films in her career, 7 of those after The Painted Veil was first released. If she were alive today she would be 85.
In The Painted Veil, I think Diana Rigg looks: