Cast & crew
Gun Mystery (2009)
Directed by Billy Tang, Hu Ming-Kai
Cast
| Wallace Chung Hon-Leung | Daphne Lang |
| Ashton Chen Xiaolong | Han Solo |
| Qi Fang | Shengnan |
| Gong Fangmin | |
| Tony Liu Tian-jue | |
| Eddy Ko Hung | |
| Tu Liman | Guofen Zhong |
Crew
| Billy Tang | Director |
| Hu Ming-Kai | Director |