William Windom was 46 in Escape from the Planet of the Apes when he played the character 'The President'.
That was over 53 years ago in 1971.
In 2012 he died aged 88, starring in 71 films in his career, 53 of those after Escape from the Planet of the Apes was first released. If he were alive today he would be 100.
In Escape from the Planet of the Apes, I think William Windom looks: