Full Cast & Crew
Directed by
| Karel Zeman | ||
Writing Credits (in alphabetical order)
| William Cayton | ... | (USA version) |
| J.A. Novotný | ||
| Karel Zeman | ||
Cast (in credits order)
| Vladimír Bejval | ... | Jirka / Jo-Jo | |
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Zdenek Hustak | ... | Jenda / Ben |
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Josef Lukás | ... | Petr / Doc |
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James Lucas | ... | Doc (US version) (as James Lukas) |
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Victor Betral | ... | Joe / Jo-Jo (US version) |
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Charles Goldsmith | ... | Ben (US version) |
| Rest of cast listed alphabetically: | |||
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Petr Herrmann | ||
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Kerry Mark Joels | ... | Doc (voice) |
Produced by
| William Cayton | ... | producer |
Music by
| E.F. Burian | ||
| Vlastimil Pinkas | ... | (instrumentation) |
| Frantisek Strangmüller | ||
Cinematography by
| Antonín Horák | ||
| Václav Pazdernik | ||
Editing by
| Zdenek Stehlík | ||
Production Design by
| Ivo Mrdzek | ||
| Zdenek Rozkopal | ||
| Karel Zeman | ||
Special Effects by
| Arnost Kupcik | ... | special effects |
| Jindrich Liska | ... | special effects |
| Karel Zeman | ... | special effects |
Editorial Department
| Olivier Veinat | ... | color timer |
Music Department
| Filmový Symfonický Orchestr | ... | orchestra |
| Milivoj Uzelac | ... | conductor |
