New cast images:

http://hkmdb.com/db/movies/images.mhtml ... ay_set=eng

If you take a look at the images you can see that the movie was shot with 2 units: around 90 percent of the movie was shot in mainland china without identified actors and around 10 percent of the movie is footage shot in Hong Kong to spice up the movie.

That is the same actress:

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

and

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

I found the mainland china movie used for SNAKE FIST:

http://hkmdb.com/db/movies/view.mhtml?i ... ay_set=eng

Added/tagged now the chinese cast.