Maciej Litkowski
Joko (voice)
Anna Januszewska
mother (voice)
Beata Zygarlicka
Wanda (voice) / additional voices
Konrad Pawicki
sir Barnet (voice) / baptist (voice)
Arkadiusz Buszko
doctor Fersen (voice) / professor Krank (voice)
Paweł Niczewski
doctor (voice)
Adam Kuzycz-Berezowski
Bavastro (voice)
Maria DÄ…browska
Amica (voice)