劉德華

Andy

劉青雲

Mahjong Master

古天樂

Tin-lok

梁詠琪

Gigi

應采兒

Cherrie

Wong Tin-Lam

Fat Uncle

黃文慧

Andy's Mother

鄒凱光

Mahjong Player at the Medicine Shop

黄华和

Mahjong Player at the Medicine Shop

謝魯駟

Mahjong Player Who Helps Gigi

湯盈盈

Mahjong Player Who Helps Gigi

龍天生

Fat Uncle's Man

Yuen Ling-To

Fat Uncle's Man

洪偉良

Fat Uncle's Man

侯煥玲

Mrs. Wong

杜琪峯

韋家輝