On screen
Cast
33 credited performers
Donnie Yen
Henry Chen Xia
Joe Chen
Miss Liang
Lok Ming-Kit
Jack Li
Yu Kang
Kane Luo
Bruce Tong Kwan-Chi
Bruce Guan
Chris Kwan-Yiu Tong
Chris Guan
Gladys Li Ching-Kwan
Gladys Wang
Artwork unavailable
Gordon Chiu-Kin Lau
Gordon Xiang
Dominic Lam Ka-Wah
Patrick Lin
Alfred Cheung Kin-Ting
Chief Huang
Woo Fung
Fang Shu Ren
Felix Lok Ying-Kwan
Guan's Father
Benjamin Au-Yeung Wai-Ho
Ben Sir
Brahim Achabbakhe
Assistant Boxer Trainer
Jess Liaudin
David Jones
Lockhart Ogilvie
Locki MMA Fighter
Billy Lau Nam-Kwong
Gladys' Father
Teresa Lee Fung
Jack's Grandmother
Koo Tin-Lung
Boss Zhang
Mike Leeder
Big Mike MMA Manager
Luo Mingjie
Character not listed
Yun Qianqian
Jenn Zhou
Jai Day
Henry's Step Father
Artwork unavailable
Tom Caserto
Assistant Boxer Trainer
Isabella Chan
Character not listed
German Cheung Man-Kit
Character not listed
Andrew Tse Sit-Chun
Jake Huang
Artwork unavailable
Jackie Tai Miu-shan
6B Student
Artwork unavailable
Kaka Wan
6B Student
Artwork unavailable
Tang Kiu
6B Student
Artwork unavailable
Craig Miller
Assistant boxer trainer
Lin Qiunan
Character not listed
Amy Tang Lai-Ying
6B Student