This is the same person:
https://hkmdb.com/db/people/view.mhtml? ... ay_set=eng
https://hkmdb.com/db/people/view.mhtml? ... ay_set=eng
I confirmed Cho Seung-san appears in 新唐伯虎 as an actor, so he must also be the lighting technician credited on that and other movies. I will merge them soon if nobody objects.