| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Aaron Kwok | Deputy Commissioner Sean Lau | SIG-Sauer P250 Compact | - |
| Andy On | SDU Commander Michael Shek | M4A1 Carbine | With foregrip, Magpul CTR stock and Aimpoint sight |
| Byron Mann | Chan Bun | Remington 870 | With tactical light |
| Byron Mann | Chan Bun | SIG-Sauer P250 Compact | - |
| Gordon Lam Ka-tung | Senior Superintendent Albert Kwong | SIG-Sauer P250 Compact | - |
| Kar Lok Chin | Senior Superintendent Vincent Tsui | SIG-Sauer P250 | - |
| Tony Leung Ka Fai | Waise Lee | SIG-Sauer P250 Compact | - |