Trailer
 | Simon Yam as John Paul |
 | Allen Ting Chi-Chun as Tung / Chin Kai Tung |
 | Gigi Lai Chi as Ho Siu Chi / Gi Ho |
 | Danny Lee Sau-Yin as Police officer / Lee Sir |
 | Simon Lui Yu-Yeung as 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 as Alien's Thug |
| Directing | |
| Sam Ho Shu-Pui | Director |
Writing | |
| Chak Ming | Writer |
| Benny Tam Wai-Shing | Writer |
