http://hkmdb.com/db/movies/image_detail ... ay_set=eng
for I Love You Baby (2003)
http://hkmdb.com/db/movies/view.mhtml?i ... ay_set=eng
Acting credits include this name : ???
with only one credit :
Assistant Director (1 film)
Witty Hand, Witty Sword (1978)
http://hkmdb.com/db/people/view.mhtml?i ... ay_set=eng
Similar characterization (same sound) is ???
which is this guy
http://hkmdb.com/db/people/view.mhtml?i ... ay_set=eng

who looks very like the guy with the high hair in the poster above, and he appears to be the same age, not 20 years older.
Also, I think the year 2003 looks rather late for the people involved. It looks more like late 80s or early 90s. If the year has supporting evidence, could it have been held over for release for some years ? This sort of thing did happen with some of these adult cheapies.
I believe it could be a retitle for this movie :
http://www.dianying.com/ft/title/20300 - which dianying says made in 1987, which is consistent with the career spans of the people involved.