Beijing Hairun Pictures Co., Ltd., Huaxia Film Distribution Co., Ltd., CCTV 6 Movie Channel present ; screenplay by Wai Ka Fai, Yau Nai Hoi, Ryker, Chan, Yu Xi ; produced by Johnnie To, Wai Ka Fai ; directed by Johnnie To
director & producer, Alicia Dwyer ; producer, Tom Xiaa ; a co-production of Dwyers & Xia, LLC and the Independent Television Service (ITVS), in association with the Center for Asian American Media (CAAM)