 | Leoš Suchařípa als Blasius, robot BLS 5003 |
 | Wolfgang Greese als profesor Brockmann |
 | Norbert Christian als náměstek |
 | Mario Wojtyczka als Egon |
| Petr Starý als František Prokop |
| Manfred Zetzsche als vynálezce Oskar Pirwitz |
 | Gert Gütschow als zlostný muž |
 | Dieter Wien als vynálezce Georg Prantl |
 | Jana Gýrová als Františka Veselá |
| Zdeněk Najman |
| Petr Lavička |
| Peter Biele |
| Wolfgang Desch |
| Wolfgang Tiessen |
| Rudolf Grabbe |
| Karl Jäckel |
| Milan Charvát |
| Doris Schmude |
| Bertl Haller |
 | Pedro Hebenstreit |
| Marianne Behrens |
| Jiřina Bílá |
| Jindra Kvardová |
| Slávka Hamouzová |
| Uwe Lohse |
| Januš Řehoř |
| Horst M. Uhle |
| Ursula Fischer |
| Leslie M. Rodricks |
| Otto Stübler |
| Mojmír Ticháček |
| Ahmed Zaroug Babiker |
| Yessir Elmardi |
| Egon Schlegel | Director |
| Werner Bender | Novel |
| Milan Pavlík | Screenplay |
| Fred Rodrian | Screenplay |
| Gerhard Holtz-Baumert | Screenplay |
| Renate Bade | Editor |
| Günter Jaeuthe | Director of Photography |
| Günter Hauk | Original Music Composer |
| Mojmír Ticháček | First Assistant Director |
| Jiří Světlík | Assistant Director |
| Gerda Eggers-Ebert | Assistant Director |
| Dagmar Zelenková | Script |
| Inge Wüste-Heym | Dramaturgy |
| Marcela Pittermannová | Dramaturgy |
| Klaus Groch | Camera Operator |
| Wilfried Tafel | Assistant Camera |
| Bohumil Pokorný | Production Design |
| Manfred Böhme | Production Design |
| Petr Pištěk | Assistant Production Design |
| Antonín Chloupek | Set Decoration |
| Vladimír Ježek | Set Decoration |
| Fritz Stemmer | Set Decoration |
| Ladislav Winkelhöfer | Set Decoration |
| Jiří Žák | Set Decoration |
| Stella Drozdová | Costume Design |
| Irene Pape | Costumer |
| Marie Rosenfelderová | Costumer |
| Petra Barochová | Costumer |
| K. Schaffer | Costumer |
| Rudolf Hammer | Makeup & Hair |
| Margarete Walther | Makeup & Hair |
| Růžena Kotyková | Makeup & Hair |
| Jan Chaloupek | Editor |
| Štěpánka Stříbrná | Assistant Editor |
| Milan Novotný | Sound |
| Jiří Šimůnek | Special Effects |
| Zdeněk Oves | Production Manager |
| Oscar Ludmann | Production Manager |
| Gabor Dorsch | Unit Production Manager |
| Radomír Hubáček | Unit Production Manager |
| Heinz Schwoch | Unit Production Manager |
| Věra Lukášová | Unit Production Manager |
| Jiřina Soběhartová | Production Assistant |
| Lenka Mojžíšová | Clapper Loader |
| Josef Vítek | Still Photographer |
| Ota Hofman | Creative Producer |
| Věra Kadlecová | Executive Producer |
