Dr. Ko / Derek Hui
Andy Lau Tak-Wah
Tse Yuen Sam
Charlie Yeung
Gigi Wong
Zi Qing
Charlene Choi Cheuk-Yin
Dr. Lip
Anthony Wong Chau-Sang
Ko's Colleague
Lam Suet
Andrew Lin
Zi Qing's Father
Hui Shiu-Hung
Teddy Lin
Joe Cheung Tung-cho
Sasha Hou Sa-Sa
Producer
Director
Daniel Yu
Director of Photography
Jason Kwan
Lee Kung-Lok
Screenplay
Minjun Yan
Costume Design
Crystal Pa
Original Music Composer
Jacky Chan Kwok-Leung