A doctor, though not having finished his studies, earns a living providing medical advice. A former nurse enters the stage, saying she hears voices from "the other world". At first, they can exploit gullible victims without problems, but soon the authorities begin showing in these quacks.
| Directing | Stanisław Różewicz | Director |
| Sound | Wojciech Kilar | Music |
| Camera | Władysław Forbert | Director of Photography |
| Editing | Czesław Raniszewski | Editor |
| Sound | Jan Czerwiński | Sound |
| Art | Tadeusz Wybult | Production Design |
| Costume & Make-Up | Marian Kołodziej | Costume Design |
| Costume & Make-Up | Teresa Tomaszewska | Makeup Artist |
| Writing | Kornel Filipowicz | Screenplay |
| Writing | Tadeusz Różewicz | Screenplay |
| Directing | Sylwester Szyszko | Assistant Director |
| Directing | Halina Lachowicz | Assistant Director |
| Camera | Franciszek Kądziołka | Camera Operator |
| Camera | Jerzy Majak | Assistant Camera |
| Camera | Leon Jankowski | Assistant Camera |
| Art | Felicja Blaszynska | Assistant Production Design |
| Art | Wladyslaw Matusiak | Assistant Production Design |
| Sound | Jerzy Matuszkiewicz | Music Arranger |
| Sound | Jerzy Neugebauer | Sound Assistant |
| Sound | Józef Tomporek | Sound Assistant |
| Editing | Alina Faflik | Assistant Editor |
| Editing | Anna Rubińska | Assistant Editor |
| Costume & Make-Up | Teodor Grymaszewski | Assistant Makeup Artist |
| Production | Konstanty Lewkowicz | Production Manager |
| Production | Grzegorz Woźniak | Assistant Production Manager |
| Production | Henryk Strzebiecki | Assistant Production Manager |
| Production | Helena Nowicka | Assistant Production Manager |