馮德倫

H20

張智堯

Harry / Sammy

李心潔

Katy Lam

童愛玲

Supt. Margarita So

王合喜

Sunny

連凱

Terrorist Leader

Cyrus Chow

Jason

Tong Law-Man

Landon Fu

Chan Yam

Mr Fu Hang

Wai Gei-Shun

Asst. Commissioner

雷宇揚

William Hung

林尚義

H20's Father

陳曼娜

H20's Mother

陳芷菁

Sammy's Sister

韓馬利

Sammy's Mother

勞劍華