| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Albert Bessler | Hotel Engineer | Dreyse Model 1907 | - |
| Andrea Checchi | Hotel Detective Berg | Dreyse Model 1907 | - |
| Gert Fröbe | Commissioner Kras | Dreyse Model 1907 | - |
| Gert Fröbe | Commissioner Kras | Walther PPK | - |
| Howard Vernon | No. 12 | Fictional futuristic rifle | - |
| Howard Vernon | No. 12 | Sten Mk V | With custom buttstock |
| Peter van Eyck | Henry B. Travers | Dreyse Model 1907 | - |
| Peter van Eyck | Henry B. Travers | Mondial Model 1900 | - |
| Werner Peters | Hieronymus B. Mistelzweig | Walther PPK | - |
| Wolfgang Preiss | Dr. Mabuse | Dreyse Model 1907 | - |