Cloris Leachman was 76 in Bad Santa when she played the character 'Grandma (uncredited)'.
That was over 20 years ago in 2003.
In 2021 she died aged 94, starring in 141 films in her career, 45 of those after Bad Santa was first released. If she were alive today she would be 98.
In Bad Santa, I think Cloris Leachman looks: