| Actor | Character | Firearm | Notes |
|---|---|---|---|
| France Nuyen | Sirone | Colt Pocket Positive | "Highest Castle, Deepest Grave" (S4E01) |
| James MacArthur | Danny "Danno" Williams | SAKO 85 Hunter | "And I Want Some Candy and a Gun That Shoots" (S4E06) |
| Joanna Barnes | Bonnie Soames | Beretta M1934 | suppressor, plastic shroud to capture shell, "Didn't We Meet at a Murder?" (S4E22) |
| Morgan Upton | Clem Brown | Beretta M1934 | suppressor, plastic shroud to capture shell, "Didn't We Meet at a Murder?" (S4E22) |
| Norman Alden | Bill Cameron | M16 | "Rest in Peace, Somebody" (S4E10) |