On screen
Cast
25 credited performers
Piotr Adamczyk
Leon (voice)
Agnieszka Dygant
Julia (voice)
Danuta Stenka
Principal (voice)
Anna Seniuk
Librarian (voice)
Hanna Śleszyńska
Ms. Kazia (voice)
Abelard Giza
Johnny (voice)
Artwork unavailable
Tymoteusz Gliszczyński
Iggy (voice)
Artwork unavailable
Kosma Press
Felix (voice)
Artwork unavailable
Antonina Baduchowska
Ewa (voice)
Waldemar Barwiński
(voice)
Artwork unavailable
Michal Chełminski
(voice)
Artwork unavailable
Karolina Kalina
(voice)
Artwork unavailable
Julia Kołodziejak
(voice)
Artwork unavailable
Lucja Koodziejak
(voice)
Michał Konarski
(voice)
Artwork unavailable
Blanka Kucharska
(voice)
Artwork unavailable
Kajetan Kucharski
(voice)
Klaudia Kuchtyk
(voice)
Artwork unavailable
Mateusz Kwiecień
(voice)
Wojciech Machnicki
(voice)
Artwork unavailable
Cezary Nowak
(voice)
Joanna Pach
(voice)
Artwork unavailable
Aleksander Sułek
(voice)
Anna Wodzyńska
(voice)
Artwork unavailable
Agnieszka Zwolińska
(voice)