If no one objects I merge that 2 names:

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

and

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

He is credited with his usual name (Tommy) Leung Pok-Yan as action director, but he appears in the movie with a role that fits to the role name listed in the cast credits for Tommy Leung Chin-Bok. Image:

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

Merged

???
Tommy Leung Chin-Bok ?

Filmography (2017)

Actor (1 film)
The Empty Hands (2017) ... Final referee

with Tommy Leung Pok-Yan:

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