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

Uploaded credits which might be addable.

Credit for Jeng Si-Taai looks wrong, probably Philip Cheng Chung Tai.

IDs for
Fofo Ma
Ng Siu-Gong (1)

ID Mama Hung, Lung Tin-Sang and 2 more Stephen Chang