Donnie Yen

Character: Henry Chen Xia / Chan Hak

Joe Chen

Character: Miss Liang

Lok Ming-Kit

Character: Jack Li

Yu Kang

Character: Kane Luo

Bruce Tong Kwan-Chi

Character: Bruce Guan

Chris Kwan-Yiu Tong

Character: Chris Guan

Gladys Li

Character: Gladys Wang

Gordon Chiu-Kin Lau

Character: Gordon Xiang

Dominic Lam Ka-Wah

Character: Patrick Lin

Woo Fung

Character: Fang Shu Ren

Brahim Achabbakhe

Character: Assistant Boxer Trainer

Alfred Cheung Kin-Ting

Character: Chief Huang

Craig Miller

Character: Shower Fighter

Jess Liaudin

Character: David Jones

Lockhart Ogilvie

Character: Locki MMA Fighter

Felix Lok Ying-Kwan

Character: Guan's Father

Benjamin Au-Yeung Wai-Ho

Character: Ben Sir

Billy Lau Nam-Kwong

Character: Gladys' Father

Teresa Lee Fung

Character: Jack's Grandmother

Koo Tin-Lung

Character: Boss Zhang

Mike Leeder

Character: Big Mike MMA Manager

Luo Mingjie

Character:

Yun Qianqian

Character: Jenn Zhou

Jai Day

Character: Henry's Step Father

Tom Caserto

Character: Assistant Boxer Trainer

Isabella Chan

Character:

German Cheung Man-Kit

Character:

Kochun Tse

Character: Jake Huang

Jackie Tai Miu-shan

Character: 6B Student