Three

Louis Koo as Chief inspector Ken Michael Tse Tin-Wah as Gangster Cheung Kwok-Keung as Mr. Ng Rosella Lau as Nurse Jonathan Wong Chi-Hin as Hung Donovan Chan as Neurosurgery Resident Stephen Au Kam-Tong as Sgt. Tong Kathy Wu as Nurse Zhao Yiyi as Dr. Tong Qian (voice) Wallace Chung as Shun Timmy Hung Tin-Ming as Chak Kevin Chu as CID Raymond Ho-Yin Wong as Gangster Ben Yeung as Radiologist Mickey Chu Kin-Kwan as Dr. Steven Chow Pancy Chan as Nurse Raymond Chiu as Anesthesiologist Johnnie To as Wong Superintendent (voice) Yuri Wong Chung-Ming as A&E Nurse Tsui Ho-Cheong as Uniformed Officer Mimi Kung as A&E Department Nurse James Kazama as A&E Resident Vincent Sze Cho-Lam as Gangster Bryant Mak as CID Eunice Ho Wing-Man as Journalist Lam Suet as Fatty Adrian Wong Tsz-Ching as Nurse Aaron Chow as CID Nancy Zhou as A&E Nurse Vicki Zhao Wei as Dr. Tong Qian Chim Bing-Hei as Senior inspector Lee Sire Ma as Journalist Lo Hoi-Pang as Chung Eddie Cheung Siu-Fai as Dr. Fok Helen Tam Yuk-Ying as Mrs. Ng Mason Chiu as Dr. Alex Tsang Winnie Shum Wing-Ting as Nurse

Lau Ho-Leung Screenplay David M. Richardson Editor Cheng Siu-Keung Director of Photography Xavier Jamaux Original Music Composer Ivana Wong Yuen-Chi Vocals Lu Ching-Ting Set Runner Hung Wai-Leung Best Boy Electric Chiu Chi-Shing Unit Manager Yau Nai-Hoi Producer, Screenplay Jack Wong Choreographer, Fight Choreographer Jackson Ha Chak-Shun Production Manager Peter Lam Kin-Ngok Executive Producer Paco Yick Tin-Hung Fight Choreographer Choi Kwok-Ping Stunts Tu Duu-Chih Sound Designer, Sound Re-Recording Mixer Johnnie To Director, Producer Wu Shu-Yao Sound Designer, Sound Re-Recording Mixer, Foley Recordist, Foley Editor Jack Lai First Assistant Director Lo Ta-Yu Main Title Theme Composer, Lyricist Gong Yu Executive Producer Elaine Chu Production Controller