Conchata Ferrell was 57 in K-PAX when she played the character 'Betty McAllister'.
That was over 23 years ago in 2001.
In 2020 she died aged 77, starring in 51 films in her career, 9 of those after K-PAX was first released. If she were alive today she would be 81.
In K-PAX, I think Conchata Ferrell looks: