Max von Sydow was 47 in Exorcist II: The Heretic when he played the character 'Father Lancaster Merrin'.
That was over 47 years ago in 1977.
In 2020 he died aged 90, starring in 157 films in his career, 102 of those after Exorcist II: The Heretic was first released. If he were alive today he would be 95.
In Exorcist II: The Heretic, I think Max von Sydow looks: