Louis Koo
Michael Lau
Sammi Cheng Sau-Man
Sau
Gao Yuanyuan
Ding Yuanyuan
Wang Baoqiang
Zhang Xing
Huang Yi
Barbara
Li Guangjie
Yang Xiaotian
Tien Niu
Doctor
Wilfred Lau Ho-Lung
Xiaolei
Yang Yi
Teeny
Jiayi Sun
Beauty
Fu Chuan-jie
Priest
Li Haitao
Captain
Chan Kung
Mechanic
Ji Chen
"Tian" Romancing Into Thin Air
Yang Zhongliang
"Grand Pa" Romancing Into Thin Air
Zhao Yinlou
"Grand Ma" Romancing Into Thin Air
Ge Sang Lamu
"Xiao Liang's Sister" Romancing Into Thin Air
Hung Wai-Leung
Michael's Assistant
Albert Mak Kai-Kwong
Commercials Director
Calvin Lam
Reporter A
Elaine Tsang Kin-Yi
Reporter B
Ricky Chow
Manager of the Entertainment Group A
Chan Kam Tat
Manager of the Entertainment Group B
Kwok Wing Tak
Manager of the Entertainment Group C
Siupo Chan
Manager of the Entertainment Group D
Wong Kan Ming
Manager of the Entertainment Group E
Vivian Chan
Nurse in the Hospital
Oscar Li Ka
Entertaining News Anchor A
Dong Yiyun
Entertaining News Anchor B
Shui Jie
Talk Show Anchor
Li Kin
Wedding Officiate
Lo Kim-Wah
"Associate Director" Romancing Into Thin Air
Fu Shusheng
Grand Pa
Xu Feifei
Grand Ma
Li Qiuer
Xiao Liang's Sister
Jiang Binshen
Professor
Hai Yan
Researcher A
Yuan Yalin
Researcher B
Jie Wang
Researcher C
Zhao Hang
Researcher D
Zhou Yancen
Nurse
Wang Taotao
Mechanic's Assistant A
Zhang Xiang
Mechanic's Assistant B
Johnnie To
Director
Chiu Chi-Shing
Unit Manager
Cheng Siu-Keung
Director of Photography
Sammi Cheng Sau-Man
Theme Song Performance
Wai Ka-Fai
Screenplay
Yau Nai-Hoi
Screenplay
Jevons Au Man-Kit
Screenplay
Raymond Chan Kam-Ho
Art Direction
Allen Leung
Editor
Steven Tsang Pak-Chuen
Costume Design
Guy Zerafa
Music
Bruce Yu
Production Designer
Anna Lai
Assistant Costume Designer
Angus Chan Siu-Hei
Second Assistant Director
Johnnie To
Producer
Wai Ka-Fai
Producer
John Chong
Executive Producer
Ryker Chan
Screenplay
Lo Kim-Wah
Assistant Director
Cox Chong Wing-Ching
First Assistant Director
Louis Koo
Songs
Zhang Guoli
Producer
To Hung-Mo
Cinematography
David M. Richardson
Supervising Editor