Brzuszek

Jaśmina Polak

as Majka

Robert Buczyński

as Kacper

Teresa Sawicka

as Jadwiga

Halina Śmiela-Jacobson

as Neighbor

Andrzej Gałła

as Kacper's Father

Piotr Matwiejczyk

as Kacper's Friend

Justyna Zielińska

as Zośka

Bilguun Ariunbaatar

as Dentist

Michał Roszkowski

as Tattooist 'Harley'

Mirosława Durczok

Dawid Antkowiak

Paweł Kozioł

Tomasz Orlicz

as Lector (voice)