Chadwick Boseman was 39 in Marshall when he played the character 'Thurgood Marshall'.
That was over 7 years ago in 2017.
In 2020 he died aged just 43, starring in 27 films in his career, 12 of those after Marshall was first released. If he were alive today he would be 47.
In Marshall, I think Chadwick Boseman looks: