These two are both action chors and actors. Same person ?

Sherman Wong Jing-Wa / (黃靖華)
http://hkmdb.com/db/people/view.mhtml?i ... ay_set=eng


Sherman Wong Qui-Man / (黃沙文)
http://hkmdb.com/db/people/view.mhtml?i ... ay_set=eng

According to HKFA, both appear in the credits of "Casino Raiders" as assist. directors. Maybe they are brothers.