| Actor | Role |
|---|---|
 Ivo KubečkaIng. Viktor Kaplan | Ing. Viktor Kaplan |
 Zdeněk ČernínIng. Jaroslav Slavík | Ing. Jaroslav Slavík |
| IIvana ValešováMargareta Kaplanová | Margareta Kaplanová |
 Oldřich NavrátilNot listed | Not listed |
| VVladimír KrátkýNot listed | Not listed |
| IIva KlestilováNot listed | Not listed |
| VVanda WolfováNot listed | Not listed |
| PPetra BauerováNot listed | Not listed |
| HHana HortováNot listed | Not listed |
| MMiloslav KročilNot listed | Not listed |
| JJaroslav TučekNot listed | Not listed |
| HHynek KubastaNot listed | Not listed |
 Zdeněk BurešNot listed | Not listed |
| LLuděk RandárNot listed | Not listed |
| JJaromír TlalkaNot listed | Not listed |
 Jan GrygarNot listed | Not listed |
| JJan ApolenářNot listed | Not listed |
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