Trailer
 | Kazimierz Junosza-Stepowski as Prof. Rafal Wilczur |
 | Jacek Woszczerowicz as Jemiol |
| Jacek Woszczerowicz as Marysia Wilczurówna / Czynska |
 | Witold Zacharewicz as Leszek Czynski |
 | Dobiesław Damięcki as Juliusz Dembicz |
 | Józef Węgrzyn as Dr. Stefan Dobranieck |
 | Pelagia Relewicz-Ziembińska as Lila Dobraniecka |
 | Mieczysława Ćwiklińska as Florentyna Szkopkowa |
| Marysia R. as Elza Czynska (as Three-Year-Old Marysia R.) |
 | Henryk Modrzewski as Dembicz's Manager |
| Włodzimierz Łoziński as Wasyl Prokop |
 | Wanda Jakubińska as Sick Boy's Mother |
 | Tekla Trapszo as Dr. Zygmunt's Mother |
| Mieczysław Winkler as Wilczur's Servant Ludwik |
| Paweł Owerłło as Minister Dolant |
| Directing | |
| Michał Waszyński | Director |
Writing | |
| Tadeusz Dołęga-Mostowicz | Novel |
| Anatol Stern | Writer |
Production | |
| Stanisław Szebego | Producer |
Sound | |
| Feliks Rybicki | Original Music Composer |
Camera | |
| Albert Wywerka | Director of Photography |
Art | |
| Jacek Rotmil | Production Design |
Production | |
| Stanisław Szebego | Production Manager |
| Andrzej Łomakowski | Production Manager |
Sound | |
| Józef Bartczak | Sound |
