Donnie Yen

as Chan Kwok-Wah

Michelle Chen Yan-Hsi

as Jojo

AngelaBaby

as Nam

Kai Ko

as Boy

Chrissie Chau Sau-Na

as Vicki

Vincci Cheuk Wan-Chi

as Joey

Jeannie Chan

as Siu-bing

Bosco Wong Chung-Chak

as Lam Foon

Eric Kot Man-Fai

as Drama teacher

Jin Gang

as Speed

Evergreen Mak Cheung-Ching

as Uncle On

Benz Hui Siu-Hung

as Boy's Father

Kingdom Yuen King-Tan

as Boy's Mother

Lee Law

as Jojo's Father

Gwen Yao

as Jojo's Mother

Joe Cheung Tung-Cho

as Doctor

Chan Fai-Hung

as Dr. Wong Tak-Sing

C Kwan

Billy Luk Wing-Kuen

Bosco Lam Tsz-Ho