| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Ewan McGregor | Inspector Martland | Walther PPK | - |
| Johnny Depp | Mortdecai | Colt Detective Special | - |
| Johnny Depp | Mortdecai | 12 Gauge Double Barreled Shotgun | - |
| Olivia Munn | Georgina | SIG-Sauer P230 | - |
| Paul Bettany | Jock | Colt Detective Special | - |