Dorothy Malone was 20 in The Big Sleep when she played the character 'Acme Bookstore Proprietress'.
That was over 78 years ago in 1946.
In 2018 she died aged 93, starring in 73 films in her career, 61 of those after The Big Sleep was first released. If she were alive today she would be 99.
In The Big Sleep, I think Dorothy Malone looks: