| Credited cast: |
 | Janusz Zakrzenski | - | Stanislaw Ignacy Witkiewicz 'Witkacy' |
 | Jerzy Binczycki | - | Jan Sokolowski - actor playing Tumor Mózgowicz |
 | Anna Seniuk | - | Anna Liptowska - actress playing Rozhulantyna Mózgowiczowa |
 | Edyta Klapwyk | - | Winifreda Cooper |
 | Laura Lacz | - | Marysia - playing Izia |
 | Marek Barbasiewicz | - | Staszek Krzeptowski - actor playing Prince Tengach Lord Persville |
 | Krzysztof Chamiec | - | Andrzej Sitkowski - actor playing Prof. Alfred Green |
| Mariusz Wojciechowski | - | Jerzy Ziemski - actor playing Alfred Mózgowicz, Tumor's son |
 | Józef Fryzlewicz | - | Tadeusz 'Boy' Zelenski |
| Józef Para | - | Karol Irzykowski |
| Jacek Romanowski | - | Wladyslaw Strzeminski |
| Jerzy Swiech | - | Julian Przybos |
| Rest of cast listed alphabetically: |
| Stanislaw Bafia | | |
| Tadeusz Brzozowski | | |
| Jacek Bukowski | | |
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