Johnnie To Director, Producer Simon Yam Lok Actor Tony Leung Ka Fai Big D Actor Louis Koo Jimmy Actor Nick Cheung Jet Actor Siu-Fai Cheung Mr. So Actor Suet Lam Big Head Actor Ka Tung Lam Kun Actor Tian-lin Wang Uncle Teng Actor Maggie Siu Mrs. Big D Actor Nai-Hoi Yau Writer Tin-Shing Yip Writer Dennis Law Producer Ta-Yu Lo Original Music Cheng Siu-Keung Cinematographer Patrick Tam Film Editing Tony Yu Production Design, Art Director