| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Brad Greenquist | Dr. Keffler | SIG-Sauer P226R | "Resurrection" (S7E19) |
| Enrico Colantoni | Burke | Colt M4A1 | Beta C-Mag and underslung M203 grenade launcher; (S7E12) |
| Michael Rooker | Colonel Edwards | Heckler & Koch MP5A3 | "Enemy Mine" (S7E07) |
| Victor Favrin | Chalo | Zastava M70B1 | "Evolution, Part 1" (S07E11) |