John Huston was 66 in Chinatown when he played the character 'Noah Cross'.
That was over 50 years ago in 1974.
In 1987 he died aged 81, starring in 88 films in his career, 56 of those after Chinatown was first released. If he were alive today he would be 117.
In Chinatown, I think John Huston looks: