Viaggio nella preistoria (1955)
Un fiume sotterraneo, il "fiume del Tempo", conduce quattro avventurosi ragazzi in un fantastico viaggio che ripercorre le diverse ere geologiche, dalla creazione del mondo alla comparsa della vita vegetale, mostrando loro la maestà di iguanodonti e tirannosauri e i primi passi dell'uomo primitivo.
Direttore:
Karel Zeman
Scrittori:
Karel Zeman, J. A. Novotný.
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Vladimír Bejval as Jirka |
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Petr Herrmann as Toník |
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Josef Lukáš as Petr |
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Zdeněk Husták as Jenda |
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Bedřich Šetena as Petr (voice) / Narrator (voice) |
| Writing | Karel Zeman | Screenplay |
| Directing | Karel Zeman | Director |
| Camera | Antonín Horák | Director of Photography |
| Camera | Václav Pazderník | Director of Photography |
| Writing | J. A. Novotný | Screenplay |
| Sound | František Strangmüller | Sound |
| Production | Rudolf Wolf | Unit Production Manager |
| Sound | E. F. Burian | Original Music Composer |
| Sound | Vlastimil Pinkas | Music Arranger |
| Editing | Zdeněk Stehlík | Editor |
| Crew | Jindřich Liška | Special Effects |
| Art | Ivo Mrázek | Art Designer |
| Writing | Karel Zeman | Story |
| Crew | Arnošt Kupčík | Animatronic and Prosthetic Effects |
| Art | Marie Mazůrková | Art Designer |
| Art | Karel Zeman | Art Designer |
| Crew | Antonín Horák | Special Effects |
| Art | Karel Černý | Art Designer |
| Crew | František Krčmář | Animatronic and Prosthetic Effects |
| Directing | Vladimír Svitáček | Assistant Director |
| Art | Zdeněk Ostrčil | Art Designer |
| Crew | Karel Zeman | Special Effects |
| Sound | Zdeněk Liška | Sound Director |
| Art | Zdeněk Rozkopal | Art Designer |
| Production | Antonín Drvota | Production Manager |
| Sound | Milivoj Uzelac | Conductor |
| Production | Karel Hutěčka | Production Manager |