Johnnie To/Wai ka fai & Milkyway Image.

After seeing Wai ka fai in person, watched his movies. Found out that Johnnie To is more productive in terms of number and commercialism. Wai ka fai has lesser films but has more essence.

1998 A Hero Never Dies 真心英雄 Johnnie To
Expect the Unexpected 非常突然 Patrick Yau Ghost-directed by Johnnie To.
The Longest Nite 暗花 Patrick Yau Ghost-directed by Johnnie To.
The Mission 鎗火 Johnnie To
Needing You... 孤男寡女 Johnnie To
Wai Ka-Fai
2001 Fulltime Killer 全職殺手 Johnnie To
Wai Ka-Fai
Love on a Diet 瘦身男女 Johnnie To
Wai Ka-Fai
2002 My Left Eye Sees Ghosts 我左眼見到鬼 Johnnie To
Wai Ka-Fai

2003 PTU PTU Johnnie To Also known as PTU: Police Tactical Unit; start of the Tactical Unit series.

Running on Karma 大隻佬 Johnnie To
2005 Election 黑社會 Johnnie To

Election 2 黑社會以和為貴 Johnnie To Also known as Triad Election
Exiled 放‧逐 Johnnie To

Mad Detective 神探 Johnnie To
Wai Ka-Fai