I think I ID'd the majority here (please feel free to correct any mistakes)
http://hkmdb.com/db/movies/images.mhtml?id=5576&display_set=eng
Here are the ones I need help with:
1) Flying Guillotine member
2) Another Flying Guillotine member (Lam Fung (2)?)
3) Witnesses Lee Pang-Fei get beheaded (Chu Yau Ko?)
4) Lee Sau Kei's servent (also witnesses him being beheaded - can't you tell? )
5) Village fortune teller who gets roughed up by Wai Wang