| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Jan Libícek | Smith | Fantasy pistol | - |
| Jirí Sovák | Professor David Moore | Roth-Steyr M1907 | - |
| Jirí Sovák | Professor David Moore | Fantasy pistol | - |
| Josef Hlinomaz | Police commander | Roth-Steyr M1907 | - |
| Lubomír Lipský | Professor Frank Pech | Roth-Steyr M1907 | - |
| Radoslav Brzobohatý | Prof. Robert Grant | Fantasy pistol | - |
| Vladimír Zátka | Little František | Roth-Steyr M1907 | - |