| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Anthony Edwards | Inspector Bill Armstrong | Smith & Wesson Model 10 | holstered |
| Mark Ruffalo | SFPD Inspector David Toschi | Colt Detective Special | 3rd generation |
| Mark Ruffalo | SFPD Inspector David Toschi | M1 Garand | - |
| Robert Downey Jr. | Paul Avery | Colt Official Police | - |