Nick Cheung Ka-Fai as Ching Fai

Eddie Peng Yu-Yan as Lin Si Qi

Mei Ting as Wang Ming Jun

Wang Baoqiang as Boss Chan

Andy On Chi-Kit as Li Zi Tian

Jack Kao as Lin Yuan Xiang

Philip Keung Ho-Man as Yeung Hing Sun (TS)

Crystal Lee as Liang Pei Dan

Liu Geng-Hong as Rock Kong

Awayne Liu as Young Ching Fai

Michelle Lo as Sandy Lo

Noel Leung as Psychiatrist

Phyllis Man Si-Man as Social Worker - Ms Tong

Gary Chan Ga-Fai as Leung Cheung On (Dani's Father)

Stephen Au Kam-Tong as Master Kwan (Ching Fai's Master)

Calvin Poon Yuen-Leung as Wai Keung

Ken Law Ho-Ming as Edwin Lo

Mike John Power as MMA Contestant (1st game opponent)

Alberto as MMA Contestant (2nd game opponent)

Fung Chi-Fung as MMA Commentator

Woo Ying-Man as MMA Commentator

Tony Ho as Brother Mo

Mo Lai-Yee as Madam Pak (Lo's Friend)

Angela Chan Yuk-Ying as Madam Cheung (Lo's Friend)

Tam Tin-Bo as Madam Li (Lo's Friend)

Wong Chui-Yee as Madam Chan (Lo's Friend)

Craig Miller as MMA Coach

Tommy Leung Pok-Yan as Villain (Brother Mo's Subordinate)

Yan Junjiang as Villain (Brother Mo's Subordinate)

Hao Hai-Feng as Villain (Brother Mo's Subordinate)

Singh Hartihan Bitto as MMA Emcee

Tony Ling Chi-Wah as Cop

Yerrow Lam as Dani

Fu Pak-Kwan as Dani's Younger Brother

Ray Pang Lap-Wai as Crash Driver

Fu Fong-Hung as Site Foreman

Mark Cheung Yiu-Fai as Site Worker

Amanda Lee as Bar Proprietress

Johnny Lam Ming-Yiu as Restaurant Manager

Florence Wu Wing-Han as Dean of Discipline

Lo Kim-Wah as Chief Of Boxing Centre

Eric Chan Hoi-Yan as Villain

Roger Chau as MMA Referee

Meng Qian as Xiao Tao

Xu Jian as Chen's Assistant

Li Fei'er as Coco