It seems somebody had updated his page, but hadn't announced that William Duen: actor; unofficial JCST member; and former bodyguard to Jackie Chan himself, has sadly passed away. I hadn't really been doing these RIP announcements lately as it's a downer, but considering how much work I did regarding the JCST I thought I should probably put something.

https://hkmdb.com/db/people/view.mhtml?id=9653&complete_credits=1&display_set=eng

RIP