Michael Jeter was 41 in Waterworld when he played the character 'Old Gregor'.
That was over 29 years ago in 1995.
In 2003 he died aged just 50, starring in 44 films in his career, 24 of those after Waterworld was first released. If he were alive today he would be 71.
In Waterworld, I think Michael Jeter looks: