Johnnie To Director, Producer Andy Lau Chong Si-teun , Johnston Actor Sammi Cheng Ho Ka Tung Actor Yuanyuan Gao Tingting Actor Tao Guo Szeto Fat-bo Actor Philip Keung Actor Suet Lam Actor Hoi-Pang Lo Actor Ying-Ying Yiu Actor Yi Zi Actor Ryker Chan Screenwriter Ka-Fai Wai Screenwriter, Producer Nai-Hoi Yau Screenwriter Xi Yu Screenwriter Peter Lam Executive Producer Dai Song Executive Producer Albert Yeung Executive Producer Marc Baril Original Music Hal Beckett Original Music Cheng Siu-Keung Cinematographer