Mysterious creatures that have landed on the ground in a flying saucer, encouraging the people they meet to undergo experimental research in exchange for gaining youth and immortality.
| Actor | Role |
|---|---|
| ZZofia SłaboszowskaLuiza | Luiza |
 Władysław KowalskiLudwik | Ludwik |
 Aleksander FogielTaxi Driver | Taxi Driver |
 Bogdan BaerSportsman | Sportsman |
 Stanisław KwaskowskiAttorney | Attorney |
 Zbigniew JabłońskiRadio Journalist | Radio Journalist |
 Zbigniew ŁobodzińskiRadio Journalist | Radio Journalist |
 Jerzy SzpunarPostmaster | Postmaster |