| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Giovanni Ribisi | Nick | Remington 700 | (Episode: Unlike a Virgin) |
| Giovanni Ribisi | Nick | Benelli M3 Super 90 | (Episode: Fire Sale) |
| Kevin Dillon | Johnny "Drama" Chase (as Colombian soldier) | M16A2 | "Welcome to the Jungle" (S4E01) |
| Lukas Haas | L.B. | Smith & Wesson Model 686 | "Bullets & Bitches" |
| Val Kilmer | The Sherpa | M1911A1 | Nickel Plated; "The Script and the Sherpa" (S1E05) |