Both worked behind the camera with Jackie... coincidence? The last characters look pretty similar (to my untrained eyes)... could be an easy mistake?

http://hkmdb.com/db/people/view.mhtml?id=10816&display_set=eng
http://hkmdb.com/db/people/view.mhtml?id=19719&display_set=eng

If nobody stops me in 15 days I will merge them.