Every 50 years, a member of the Cheung family must kill a cat demon until its nine lives are up. However, Master Cheung is worried cancer will kill him before he can complete his task and decides to give a newcomer the power to defeat the demon.
| Actor | Role |
|---|---|
 Lau Kar-leungMaster Cheung | Master Cheung |
 Joann TangCheung Siu-Chuen | Cheung Siu-Chuen |
 Mark Cheng Ho-NamLong | Long |
 Wong JingInspector Handsome Wu | Inspector Handsome Wu |
 Hsu Shu-YuanTina | Tina |
 Stuart Yung Sai-KitMr. Fan Chin-Choi | Mr. Fan Chin-Choi |
 Teresa Ha PingLong's Mom | Long's Mom |
| YYiu Fung-SiMimi | Mimi |
 So Hon-SangChiu | Chiu |
 Thomas Sin Ho-YingSecurity Guard | Security Guard |
 Chan Yuet-YueWhore in Car with Ah Long | Whore in Car with Ah Long |
| HHung San-NamBiu | Biu |
 Fei PakPoliceman | Policeman |
 Chang Seng-KwongPoliceman / Security Guard | Policeman / Security Guard |
 San SinPoliceman | Policeman |
| FFan Chin-HungSecurity Guard | Security Guard |
 Wong Wai-FaiPoliceman | Policeman |
 Wong Kim-BunPoliceman | Policeman |
 Lee Yiu-KingPoliceman | Policeman |
 Tom PoonVincent | Vincent |