Charlton Heston was 48 in Soylent Green when he played the character 'Detective Robert Thorn'.
That was over 51 years ago in 1973.
In 2008 he died aged 84, starring in 155 films in his career, 100 of those after Soylent Green was first released. If he were alive today he would be 100.
In Soylent Green, I think Charlton Heston looks: