| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Dameon Clarke | Scott Dunn | STI Edge | "Tick, Tick, Tick" (S2E17) |
| Dana Delany | FBI Special Agent Jordan Shaw | Ruger KP90 | "Boom!" (S2E18) |
| Nathan Fillion | Richard Castle | Glock 26 | - |
| Nathan Fillion | Richard Castle | Taurus Model 85 | Same modification as inFirefly |