William Hurt was 67 in Avengers: Infinity War when he played the character 'Thaddeus 'Thunderbolt' Ross'.
That was over 6 years ago in 2018.
In 2022 he died aged 72, starring in 97 films in his career, 5 of those after Avengers: Infinity War was first released. If he were alive today he would be 74.
In Avengers: Infinity War, I think William Hurt looks: