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Václav Trégl as Marconi / Josef Marek |
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Carl Lamac as Tonny |
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Hana Vítová as Tonča Navrátilová |
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Jindřich Plachta as Emil Netušil |
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Anna Letenská as Amálka Netušilová |
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Helena Bušová as Anča Netušilová |
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Jaroslav Marvan as Jan Brejcha |
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Jindřich Láznička as Tůma |
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Světla Svozilová as Zuzana |
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František Černý as Nemastil |
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Bohuš Záhorský as Honzík |
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Vlasta Hrubá as Máňa |
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F. X. Mlejnek as kuchař |
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Frank Ford as |
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Maud Biedermannová as |
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Julius Baťha as |
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Stanislav Bláha as |
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Wanda Vodičková as |
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Jiří Schreinzer as |
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Karel Postranecký as |
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Antonín Jirsa as |
| Writing | Jan Sedlák | Novel |
| Directing | Miroslav Cikán | Director |
| Editing | Antonín Zelenka | Editor |
| Writing | Jan Gerstel | Screenplay |
| Camera | Jan Roth | Director of Photography |
| Art | Jan Zázvorka | Production Design |
| Directing | Carl Lamac | Director |
| Sound | Josef Dobeš | Original Music Composer |
| Writing | Jaroslav Mottl | Lyricist |
| Art | František Nestler | Set Decoration |
| Sound | František Šindelář | Sound |
| Production | Jan Gerstenberger | Production Manager |
| Production | Eduard Šimáček | Unit Manager |
