| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Michael Berry Jr. | Scott Kingsley | SIG-Sauer P226 | "The Two" (S3E02) |
| Michael Vartan | Michael Vaughn | Heckler & Koch MP5K | "Legacy" (S3E21) |
| Michael Vartan | Michael Vaughn | AKM | "Legacy" (S3E21) |
| Toby Holguin | Covenant Agent | Heckler & Koch MP5A3 | "Full Disclosure" (S3E11) |