Marlon Brando was 54 in Apocalypse Now when he played the character 'Colonel Walter E. Kurtz'.
That was over 45 years ago in 1979.
In 2004 he died aged 80, starring in 97 films in his career, 62 of those after Apocalypse Now was first released. If he were alive today he would be 100.
In Apocalypse Now, I think Marlon Brando looks: