Jealous of her vapidly "good" sister's popularity, poisonous Viktoria doses pretty Klara's tea with a slow-acting fatal substance. As the latter grows hysterically weak, the former finds success increasingly compromised by guilt, blackmail, and the pesky need to kill others lest she be exposed.
Is Morgiana on Netflix? Unfortunately the movie Morgiana is not yet available on Netflix.
| Directing | Juraj Herz | Director |
| Writing | Alexander Grin | Novel |
| Writing | Juraj Herz | Screenplay |
| Writing | Vladimír Bor | Screenplay |
| Art | Ivan Rybín | Assistant Production Design |
| Editing | Ladislava Klusáčková | Assistant Editor |
| Editing | Anna Mejtská | Assistant Editor |
| Sound | Luboš Fišer | Original Music Composer |
| Production | Ladislav Hanuš | Production Manager |
| Camera | Corina Schlesingerová | Clapper Loader |
| Camera | Karel Ješátko | Still Photographer |
| Sound | František Belfín | Conductor |
| Writing | Miloš Brož | Creative Producer |
| Production | Jiří Šebor | Executive Producer |
| Editing | Jaromír Janáček | Editor |
| Art | Zbyněk Hloch | Production Design |
| Art | Jiří Rulík | Set Decoration |
| Costume & Make-Up | Irena Greifová | Costume Design |
| Camera | Jaroslav Kučera | Director of Photography |
| Directing | Miloš Kohout | First Assistant Director |
| Crew | Věra Kalábová | Dramaturgy |
| Camera | Jiří Pospíšil | Assistant Camera |
| Art | Rudolf Herz | Set Decoration |
| Art | Miloš Osvald | Set Decoration |
| Costume & Make-Up | Miloslava Šmídová | Costumer |
| Costume & Make-Up | M. Koubská | Costumer |
| Costume & Make-Up | Ladislav Bacílek | Makeup & Hair |
| Costume & Make-Up | Růžena Plašilová | Makeup & Hair |
| Costume & Make-Up | Jiřina Bissingerová | Makeup & Hair |
| Sound | František Černý | Sound |
| Production | Jiří Ulrich | Unit Manager |
| Production | Radomír Hubáček | Unit Manager |
| Directing | Bohumila Velková | Script Supervisor |
