| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Dean Norris | Michael Nelson | M1911A1 | "Doppleganger" |
| John Carroll Lynch | Det. Mike Ogletree | Smith & Wesson Model 627 | snub ; "Pilot" (S1E01) |
| Matt Passmore | Det. Jim Longworth | Smith & Wesson 4506 | - |
| Matt Passmore | Det. Jim Longworth | SIG-Sauer P220R | - |
| Michelle Hurd | Director Colleen Manus | Glock 19 | - |
| Michelle Hurd | Director Colleen Manus | Glock 26 | - |