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