| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Cary Elwes | Pierre Despereaux | Walther P99 | stainless steel finish; "Extradition British Columbia" |
| Dulé Hill | Burton "Gus" Guster | Glock 17 | "Mr. Yin Presents" |
| John Cena | Ewan O'Hara | Glock 17L | "You Can't Handle This Episode" (S4E10) |
| John Cena | Ewan O'Hara | Walther PPK/S | "You Can't Handle This Episode" (S4E10) |
| John Hawkes | Longmore's partner | Beretta 92FS | "Shawn Takes a Shot in the Dark" (S4E09) |
| Michael Rooker | Garth Longmore | Springfield Armory M1911A1 | "Shawn Takes a Shot in the Dark" (S4) |