http://hkmdb.com/db/movies/images.mhtml ... ay_set=eng (added 5 actors)

Added Woo Ping and Law Kei

Your Chui Chung-Hok ? could be Chui, but without the movie I'm not sure.

On that image

http://hkmdb.com/db/movies/image_detail ... ay_set=eng

I can only guess: left Yuen Cheung-Yan?, on the right Hsu Hsia?, middle: Lai Yan (3)?

Checked the movie and added Chui Chung-Hok, Tung Choi-Bo (same scene), Hsu Hsia, Lai Yan and Yuen Cheung-Yan