Alfred Cheung Kin-Ting

Inspector Hou Shui Ken

Chingmy Yau Suk-Ching

Kwan Tak Hing / Ng Siu Yuen

Sharla Cheung

Lam Moon Shang / Dreamy

Aaron Kwok

Ace / Doggie

Ng Man-Tat

Blackie Tat

Gabriel Wong Yat-Shan

Turtle

Barry Wong Ping-Yiu

Commissioner Wong

Sarah Lee

Big Sister

Michael Chan Wai-Man

Teacher Chan Wai Ha

Yen Shi-Kwan

Ti Chun Tung

Tse Wai-Kit

Arnold

Yuen Cheung-Yan

Doggie's Dad

Chang Gan-Wing

Chemistry Teacher

Cheung Kwok-Wah

Mad Bull's Thug

Dennis Chan Kwok-San

Headmaster

Jack Wong