Wei Jiahui

Wai Ka-Fai is a Hong Kong screenwriter, producer, film director, and former TV screenwriter and producer.

Wai is best known for his frequent collaborations with Johnnie To, another former TV turned film director and producer. In 1996, they formed Milkyway Image, which is now one of the most successful independent film studios in Hong Kong. The films that the two have made together as directors and producers include Needing You..., Fat Choi Spirit, Love on a Diet, Help!!!, Love for All Seasons, Fulltime Killer, Turn Left, Turn Right and Running on Karma.

Two of his films were released in the US theatrically: Fulltime Killer and Mad Detective.

• Written By (2009)
• Mad Detective (2007) (co-directed with Johnnie To)
• The Shopaholics (2006)
• Himalaya Singh (2005)
• Fantasia (2004)
• Running on Karma (2003) (co-directed with Johnnie To)
• Turn Left, Turn Right (2003) (co-directed with Johnnie To)
• Love for All Seasons (2003) (co-directed with Johnnie To)
• My Left Eye Sees Ghosts (2002) (co-directed with Johnnie To)
• Fat Choi Spirit (2002) (co-directed with Johnnie To)
• Fulltime Killer (2001) (co-directed with Johnnie To)
• Love on a Diet (2001) (co-directed with Johnnie To)
• Wu yen (2001) (co-directed with Johnnie To)
• Needing You... (2000) (co-directed with Johnnie To)
• Help!!! (2000) (co-directed with Johnnie To)
• Too Many Ways to Be No. 1 (1997)
• The Peace Hotel (1995)