Donnie Yen

Henry Chen Xia / Chan Hak

Joe Chen

Miss Liang

Lok Ming-Kit

Jack Li

Yu Kang

Kane Luo

Bruce Tong Kwan-Chi

Bruce Guan

Chris Tong Kwan-Yiu

Chris Guan

Gladys Li Ching-Kwan

Gladys Wang

Lau Chiu-Kin

Gordon Xiang

Dominic Lam Ka-Wah

Patrick Lin

Alfred Cheung Kin-Ting

Chief Huang

Wu Fung

Fang Shu Ren

Brahim Achabbakhe

Assistant Boxer Trainer

Craig Miller

Shower Fighter

Jess Liaudin

David Jones

Lockhart Ogilvie

Locki MMA Fighter

Felix Lok Ying-Kwan

Guan's Father

Benjamin Au Yeung Wai-Hoo

Ben Sir

Billy Lau

Gladys' Father

Lee Fung

Jack's Grandmother

Koo Tin-Lung

Boss Zhang

Mike Leeder

Big Mike MMA Manager

Luo Mingjie

QianQian Yun

Jenn Zhou

Jai Day

Henry's Step Father

Tom Caserto

Assistant Boxer Trainer

Kang Yu

Kane Luo

Isabella Chan