Cast & crew
Black diamond (1956)
Directed by Zdeněk Rozkopal, Arnošt Kupčík Written by Karel Zeman
Cast
| Vladimír Bejval | Jirka |
| Josef Lukáš | Petr |
| Petr Herrmann | Toník |
| Zdeněk Husták | Jenda |
| Bedřich Šetena | Stitch (Voice) |
Crew
| Zdeněk Liška | Original Music Composer |
| Antonín Horák | Director of Photography |
| Zdeněk Stehlík | Editor |
| Zdeněk Rozkopal | Art Designer |
| Karel Zeman | Screenplay |
| Zdeněk Rozkopal | Director |
| Arnošt Kupčík | Director |
| Karel Zeman | Story |
| Karel Hutěčka | Production Manager |
| Jaromír Nohejl | Conductor |
| Jan Stráník | Production Manager |
| Arnošt Kupčík | Special Effects |
| František Strangmüller | Sound |