Billy Lau Nam-Kwong

Gladys' Father

Donnie Yen

Henry Chen Xia

Woo Fung

Fang Shu Ren

Jai Day

Henry's Step Father

Brahim Achabbakhe

Assistant Boxer Trainer

Jess Liaudin

David Jones

Lockhart Ogilvie

Locki MMA Fighter

Mike Leeder

Big Mike MMA Manager

Alfred Cheung Kin-Ting

Chief Huang

Chan Tai-Lee

Writer

Yu Kang

Kane Luo

Joe Chen

Miss Liang

Lok Ming-Kit

Jack Li

Bruce Tong Kwan-Chi

Bruce Guan

Chris Kwan-Yiu Tong

Chris Guan

Gladys Li

Gladys Wang

Gordon Chiu-Kin Lau

Gordon Xiang

Dominic Lam Ka-Wah

Patrick Lin

Felix Lok Ying-Kwan

Guan's Father

Benjamin Au-Yeung Wai-Ho

Ben Sir

Teresa Lee Fung

Jack's Grandmother

Koo Tin-Lung

Boss Zhang

Luo Mingjie

Actor

Yun Qianqian

Jenn Zhou

Tom Caserto

Assistant Boxer Trainer

Kam Ka-Wai

Director