| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Brian Doyle-Murray | Jack Ruby | Colt Cobra | - |
| Ed Asner | Guy Bannister | Smith & Wesson Model 19 | - |
| Frank Whaley | "fake" Lee Harvey Oswald | Carcano M91 Rifle | - |
| Gary Oldman | Lee Harvey Oswald | Carcano M91/38 | scoped |
| Gary Oldman | Lee Harvey Oswald | Smith & Wesson Model 36 | - |
| Gary Oldman | Lee Harvey Oswald | M1903 Springfield | - |
| Jay O. Sanders | Lou Ivan | Carcano M91 Rifle | - |
| Jay O. Sanders | Lou Ivan | Smith & Wesson Model 36 | holstered |
| Joe Pesci | David Ferrie | M1A1 Thompson | - |
| Kevin Costner | Jim Garrison | Carcano M91 Rifle | - |