Bill Paxton was 28 in The Terminator when he played the character 'Punk Leader'.
That was over 38 years ago in 1984.
In 2017 he died aged 61, starring in 85 films in his career, 73 of those after The Terminator was first released. If he were alive today he would be 67.
In The Terminator, I think Bill Paxton looks: