Longmond Leung Lok-Man Director, Screenwriter Sunny Luk Kim-Ching Director, Screenwriter Chang Chen Gam Dao Nin Actor Jacky Cheung Prof. Siu Chi-Yan , Helios Actor Nick Cheung Insp. Eric Lee Yin-Ming Actor Shawn Yu Man-Lok Fan Ka-Ming Actor Ji Jin-hee Col. Choi Min-Ho Actor Choi Si-won Pok Yu-Chit, Park Woo-cheol Actor Wang Xue-Qi Song-An Actor Joyce Feng Wen-Juan Yuan Xiaowen Actor Janice Man Wing-San Messenger Zhang Yijun Actor Yoon Jin-yi Shim Mi-kyung Actor Josephine Koo Mei-Wah Sophia Actor Mike Leeder Mr. Big Actor Paul Fonoroff Martin Koo Actor Gill Mohindepaul Singh Saad Actor Kim Hae-sook Park Yung-sook Actor Temur Mamisashvili Actor Philippe Joly Mr. Big's Bodyguard Actor Lee Tae-ran Yoon Hee-seon Actor Tracy Chu Insp. Lee's Subordinate Actor Philip Keung Wong Kin-Chung Actor Catherine Kwan Tung-Tiu Producer Lorraine Hoh Lai-Seung Producer Shirley Lau Yim-Ngo Producer Gillian Zhao Fang Producer Ren Yue Producer Stanley Tong Man-Hong Producer Scott G. Stone Producer Abe Kwong Man-Wai Executive Producer Cheung Hong-Tat Executive Producer Peter Kam Pau-Tat Original Music Jason Kwan Cinematographer Jimmy Kwok Chun-Ming Cinematographer Pakie Chan Chor-Keung Cinematographer Ron Chan Chung-Ming Film Editing Kwong Chi-Leung Film Editing Wong Hoi Film Editing Alex Mok Siu-Chung Art Director