Simon Yam

John Paul

Allen Ting Chi-Chun

Tung / Chin Kai Tung

Gigi Lai Chi

Ho Siu Chi / Gi Ho

Danny Lee Sau-Yin

Police officer / Lee Sir

Simon Lui Yu-Yeung

Alien

Bessie Chan Ming-Kwan

Sung Boon-Chung

Nelson Cheung Hok-Yun

Alan Chui Chung-San

Eddy Ko Hung

Edith Au

Foo-Keung Kong

Rocky Lai Keung-Ken

Ronny Ching Siu-Lung

Wynn Lau Chun-Fai

Che Jan-Bong

Ng Wing-Sum

Alien's Thug