甄子丹

Henry Chen Xia / Chan Hak

陳喬恩

Miss Liang

Lok Ming-Kit

Jack Li

喻亢

Kane Luo

湯君慈

Bruce Guan

Chris Kwan-Yiu Tong

Chris Guan

李靖筠

Gladys Wang

Gordon Chiu-Kin Lau

Gordon Xiang

林嘉華

Patrick Lin

胡楓

Fang Shu Ren

Brahim Achabbakhe

Assistant Boxer Trainer

張堅庭

Chief Huang

Craig Miller

Shower Fighter

Jess Liaudin

David Jones

Lockhart Ogilvie

Locki MMA Fighter

駱應鈞

Guan's Father

袁偉豪

Ben Sir

樓南光

Gladys' Father

李楓

Jack's Grandmother

古天農

Boss Zhang

Mike Leeder

Big Mike MMA Manager

骆明劼

Yun QianQian

Jenn Zhou

Jai Day

Henry's Step Father

Tom Caserto

Assistant Boxer Trainer

陳海寧

張文傑

謝爕雋

Jake Huang

Jackie Tai Miu-shan

6B Student

Kaka Wan Ka Yu

6B Student