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) |
| Directing | Karel Zeman | Director |
| Writing | Karel Zeman | Screenplay |
| Camera | Antonín Horák | Director of Photography |
| Camera | Václav Pazderník | Director of Photography |
| Writing | J. A. Novotný | Screenplay |
| Production | Rudolf Wolf | Unit Production Manager |
| Sound | František Strangmüller | Sound |
| Sound | E. F. Burian | Original Music Composer |
| Sound | Vlastimil Pinkas | Music Arranger |
| Editing | Zdeněk Stehlík | Editor |
| Directing | Vladimír Svitáček | Assistant Director |
| Writing | Karel Zeman | Story |
| Art | Karel Černý | Art Designer |
| Art | Ivo Mrázek | Art Designer |
| Art | Zdeněk Rozkopal | Art Designer |
| Art | Zdeněk Ostrčil | Art Designer |
| Art | Karel Zeman | Art Designer |
| Art | Marie Mazůrková | Art Designer |
| Crew | František Krčmář | Animatronic and Prosthetic Effects |
| Crew | Arnošt Kupčík | Animatronic and Prosthetic Effects |
| Crew | Karel Zeman | Special Effects |
| Crew | Jindřich Liška | Special Effects |
| Crew | Antonín Horák | Special Effects |
| Production | Antonín Drvota | Production Manager |
| Production | Karel Hutěčka | Production Manager |
| Sound | Milivoj Uzelac | Conductor |
| Sound | Zdeněk Liška | Sound Director |