| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Eleanor Tomlinson | Alice Cunningham | Astra Cub | - |
| Nicholas McGaughey | Inspector Lementeuil | Luger P08 | - |
| Richard Katz | Gustave | FN Model 1910 | - |
| Simon Callow | Dr. Heinrich Lutz | Walther PPK | - |
| Tom Wlaschiha | Lt. Drouet alias Schwartz | Luger P08 | - |