http://www.hkmdb.com/db/movies/images.mhtml?id=11039&display_set=eng

Most likely a majority of Korean actors, but some look familiar...

I'm 99% sure it is Wong Kam-Kong

I would agree with you (based on the mole on the lip), but I find it strange that he would do only one movie in 1976 and then resurface 10 years later.