On screen
Cast
17 credited performers
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
Character not listed
Sung Boon-Chung
Character not listed
Artwork unavailable
Nelson Cheung Hok-Yun
Character not listed
Alan Chui Chung-San
Character not listed
Eddy Ko Hung
Character not listed
Edith Au
Character not listed
Artwork unavailable
Foo-Keung Kong
Character not listed
Rocky Lai Keung-Ken
Character not listed
Ronny Ching Siu-Lung
Character not listed
Artwork unavailable
Wynn Lau Chun-Fai
Character not listed
Che Jan-Bong
Character not listed
Artwork unavailable
Ng Wing-Sum
Alien's Thug