| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Ian Ziering | Capt. William Shepard | M16A2 | "Ambush" (S7E07) |
| Randy Vasquez | Gunnery Sgt. Galindez | Beretta 92FS | "Guilt" (S7E04) |
| Randy Vasquez | Gunnery Sgt. Galindez | M16A2 | "In Country" (S7E23) |
| Catherine Bell | Lt. Col. Sarah Mackenzie | M16A2 | "Dog Robber, Part 2" (S7E09), "In Country" (S7E23) |