Rick Pang, an IPSC champion who is also a gun expert who tinkers with his pistols to perfect his technique known as 'double tap' which is the terminology where a shooter can place two exact shots in the same spot to maximize marksmanship.
| Directing | Lo Chi-leung | Director |
| Directing | Phillip Chung-Fung Kwok | Action Director |
| Writing | Lee Hau-Shek | Writer |
| Writing | Yeung Chin-Hung | Writer |
| Writing | Yeung Sin-Ling | Writer |
| Writing | Lo Chi-leung | Writer |
| Production | Derek Yee Tung-Sing | Producer |