| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Aaron Eckhart | Rethrick | Springfield Armory Mil-Spec M1911A1 | - |
| Aaron Eckhart | Rethrick | Glock 17 | - |
| Ben Affleck | Michael Jennings | Glock 17 | - |
| Ben Affleck | Michael Jennings | Browning BDM | - |
| Ben Affleck | Michael Jennings | SIG-Sauer P229 Sport | - |
| Ben Affleck | Michael Jennings | Heckler & Koch MP5A3 | - |
| Colm Feore | John Wolfe | Beretta 92FS | blued frame with a Brigadier Inox slide |
| Colm Feore | John Wolfe | Beretta 92FS-C | - |
| Colm Feore | John Wolfe | Pachmayr Dominator | - |
| Ivana Milicevic | Maya | Kahr M9098 Elite 2003 | 2-Tone |
| Joe Morton | Agent Dodge | Taser | - |
| Joe Morton | Agent Dodge | Glock 17 | Gen. 3 variant |
| Michael C. Hall | FBI Special Agent Klein | Glock 17 | - |