Identified Wai Ga-Man(2) in 3 films and it appears that she is the same person as Wai Ga-Man (1)
While writing this message I decided to check resemblant names in DB - and found and identified Wai Ka-Man, who is also the same actress.
So, please, merge:

Wai Ga-Man (1)

Actor (3 films)
Seeding of a Ghost (1983) ... Fong's wife
The Boxer's Omen (1983) ... Chan Hung's girl
Teenage Trap (1984)

with

Wai Ga-Man (2)

Actor (7 films)
Ghost Festival (1985) ... Sung's girlfriend
Rocky's Love Affairs (1985)
The Man From Holland (1986) ... Raped underage girls
9 to 3 (1986)
Four Dragons (1992)
Sex Flower (1993) ... B Chai
Taxi Driver (2002)

with

Wai Ka-Man

Actor (1 film)
Playboy Doctor (1984)

if nobody stops me in 15 days I wil merge them.