Yau Nai-Hoi

Yau Nai-Hoi (Chinese: 游乃海; pinyin: You Nai Hai) is a Hong Kong filmmaker and screenwriter. He has been known as a popular writer for films directed by Johnnie To and Wai Ka-Fai of Milkyway Image. He often collaborates with fellow Milkyway Image writers Wai Ka-Fai, Szeto Kam-Yuen, Au Kin-Yee and Yip Tin-Shing. Yau's directorial debut arrived with the 2007 film Eye in the Sky which was produced by To and his production company, Milkyway Image.