9 appearances across 1 title
| Actor | Firearm | Notes |
|---|---|---|
| Peter Falk | Smith & Wesson Model 36 | "Lady in Waiting" (S01E05), "No Time to Die" (S11E02) |
| Peter Falk | AKS-47 assault rifle | "Dead Weight " (S01E03) |
| Peter Falk | PPD-40 | "Dead Weight " (S01E03) |
| Peter Falk | Colt Buntline Special | "Dead Weight " (S01E03) |
| Peter Falk | M1911A1 | Stanless, pearl grips/ "Double Exposure" (S03E04) |
| Peter Falk | Walther PP | "Playback" (S04E05) |
| Peter Falk | Smith & Wesson Model 15 | "Fade in to Murder" (S06E01) |
| Peter Falk | Colt Model 1903/1908 | Nickel with pearl grips/ "Make Me a Perfect Murder" (S07E03) |
| Peter Falk | Beretta Jetfire | "Columbo Cries Wolf" (S09E02) |