Maciej Stuhr as Alek Malinowski

Weronika Książkiewicz as Helena Malinowska

Teodor Koziar as Tomek Malinowski

Kacper Janusiński as Daniel Słabiak

Marek Marchewa as Rajmund Moskicki "Moskit"

Oliwia Gołębiowska as Marta

Szymon Ożga as Miłosz Tarnowski

Zuzanna Tomczyk as Malicka

Katarzyna Warnke as Ewa

Sebastian Stankiewicz as Romek

Bogdan Koca as Stanisław Pipa

Anna Majcher as Danka

Michał Kitliński as Jarek

Andrzej Gałła as Włodek

Ewelina Paszke as "Karczucha"

Małgorzata Szeptycka as Mrs. Słabiak

Waldemar Ratuszniak as School principal

Kacper Kuryś as Minias

Paweł Krupski as Miłosz's father

Anna Skubik as Saleswoman in Pewex

Gabriela Oberbek as Saleswoman in a shop

Jerzy Kobyliński as Photographer at school

Bianka Telatyńska as Natalia

Alicja Binek as Ola

Maciej Dubielowski as Purzycki

Mikołaj Petek as Minias' friend (I)

Eryk Skonieczny as Minias' friend (II)

Jerzy Welter as Acquaintance (I)

Piotr Kochanowski as Acquaintance (II)

Wiesław Piorun as Man on a bicycle

Ewelina Pawlus as Neighbour (I)

Zofia Lenartowicz as Neighbour (II)

Tomasz Targosz as Railroad Guard

Gabriel Simmba as Tennis player

Dominik Watin as Zenek

Amelia Stochniał as Student (I)

Amelia Tokarz as Student (II)

Anna Wiktoria Biliczak as Student (III)

Apolonia Włodarczyk as Student (IV)

Gabriel Michalak as Student (V)

Ilia Prychyn as Student (VI)

Jan Hommel as Student (VII)

Julia Kwiatkowska as Student (VIII)

Kacper Łomny as Student (IX)

Karolina Gościniak as Student (X)

Karolina Śmietanka as Student (XI)

Kinga Wielichowska as Student (XII)

Maja Mucha as Student (XIII)

Maja Zielińska as Student (XIV)

Mateusz Kurzeja as Student (XV)

Michalina Misiak as Student (XVI)

Nela Kunowska as Student (XVII)

Nina Murawska as Student (XVIII)

Olaf Hommel as Student (XIX)

Pola Rosiak as Student (XX)

Natalia Elżanowska as Student (XXI)