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)

Tymoteusz Gliszczyński

Iggy (voice)

Kosma Press

Felix (voice)