According to HKFA http://ipac.hkfa.lcsd.gov.hk/ipac/cclib ... 7120345605 those 2 actors are the same
http://hkmdb.com/db/people/view.mhtml?i ... ay_set=eng
http://hkmdb.com/db/people/view.mhtml?i ... ay_set=eng

Where do yo see that thing? According to HKFA they are different people:

I already posted the source Link but You won't check that.
http://ipac.hkfa.lcsd.gov.hk/ipac/cclib ... 7120345605
Sorry don't know how to upload picture in here so I added it as credit
http://hkmdb.com/db/movies/image_detail ... ay_set=eng

I think that is an error.