| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Adrian Paul | Commander Leitner | SIG-Sauer P226 | S05E09 |
| Arthur Lee | Lee Dae-Ho | Browning Hi-Power | S05E02 |
| Dustin Clare | Faber | M4A1 | S05E04 |
| James Wilby | Charles Ridley | CZ 75 | (S05E09) |
| Leo Gregory | Mason | SIG-Sauer P226 | S05E04 |
| Leo Gregory | Mason | M4A1 | S05E04 |
| Masa Yamaguchi | Shiro | Beretta 92FS Inox | Episode 4 "Legacy: Part 4" |
| Michelle Yeoh | Mei Foster | Smith & Wesson Model 36 | - |
| Michelle Yeoh | Mei Foster | Beretta 92FS Inox | - |
| Robson Green | Lt. Col. Philip Locke | Remington 870 Folding Stock | S05E02 |
| Robson Green | Lt. Col. Philip Locke | Remington 870 Slug Gun | S05E02 |
| Robson Green | Lt. Col. Philip Locke | Glock 17 | - |
| Robson Green | Lt. Col. Philip Locke | Colt Model 933 | with EOTech sight, railed handguard, flashlight and suppressor / S05E03, S05E04 |
| Robson Green | Lt. Col. Philip Locke | Beretta 92FS Inox | S05E04 |
| Sullivan Stapleton | Damien Scott | Heckler & Koch P30 | - |
| Tereza Srbova | Major Nina Pirogova | Walther P22 | S05E07 |
| Vithaya Pansringarm | Sgt. Changrok | Colt M1911 | S05E02 |