Jack Palance was 68 in Young Guns when he played the character 'L. G. Murphy'.
That was over 36 years ago in 1988.
In 2006 he died aged 87, starring in 119 films in his career, 26 of those after Young Guns was first released. If he were alive today he would be 105.
In Young Guns, I think Jack Palance looks: