Michael Jeter was 44 in Fear and Loathing in Las Vegas when he played the character 'Ron Bumquist'.
That was over 26 years ago in 1998.
In 2003 he died aged just 50, starring in 44 films in his career, 18 of those after Fear and Loathing in Las Vegas was first released. If he were alive today he would be 71.
In Fear and Loathing in Las Vegas, I think Michael Jeter looks: