Top cast
Andy Lau
Andy
Lau Ching-Wan
Mahjong Master
Louis Koo
Tin-lok
Gigi Leung Wing-Kei
Gigi
Cherrie Ying Choi-Yi
Cherrie
Wong Tin-Lam
Fat Uncle
Bonnie Wong Man-Wai
Andy's Mother
Matt Chow Hoi-Kwong
Mahjong Player at the Medicine Shop
Jimmy Wong Wah-Wo
Mahjong Player at the Medicine Shop
Four Tse Liu-Shut
Mahjong Player Who Helps Gigi
Angela Tong Ying-Ying
Mahjong Player Who Helps Gigi
Lung Tin-Sang
Fat Uncle's Man
Yuen Ling-To
Fat Uncle's Man
Hung Wai-Leung
Fat Uncle's Man
Hau Woon-Ling
Mrs. Wong
Poon An-Ying
Mahjong Player
Nishikawa Takakazu
Contest Sponsor
Tam Tin-Bo
Mahjong Player with Twisted Neck
Directed by
Johnnie To, Wai Ka-Fai
Written by
Wai Ka-Fai, Yau Nai-Hoi, Au Kin-Yee
Produced by
Johnnie To, Wai Ka-Fai, Charles Heung