| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Amanda Schull | Dr. Cassandra Railly | Smith & Wesson Model 10 | "Cassandra Crossing" (S1E03) |
| Amanda Schull | Dr. Cassandra Railly | TDI Vector | "Year of the Monkey" (S2E01) |
| Amanda Schull | Dr. Cassandra Railly | Walther P99 | "Year of the Monkey" (S2E01) |
| Demore Barnes | Sgt. Marcus Whitley | M4A1 Carbine | - |
| Kirk Acevedo | José Ramse | Mossberg 500 Cruiser | "Pilot" (S1E01) |
| Tom Noonan | Tall Man | Beretta 92FS | "Cassandra Complex" (S1E03) |
| Željko Ivanek | Leland Goines | Heckler & Koch USP | "Pilot" (S1E01) |