Andrzej Kozak
— Andrzej "Penguin"
Krystyna Konarska
— Baśka Oraczewska
Zbigniew Cybulski
— Łukasz
Janina Szydłowska
— Irena, Pingwin's Mother
Elżbieta Święcicka
— Bączkowa, Adaś's Mother
Mieczysław Milecki
— Jan, Pingwin's Father
Andrzej Szczepkowski
— Architect Paweł Bączek, Adaś's Father
Wojciech Duryasz
— Adaś Bączek
Irena Karel
— Party Attendant
Emilia Krakowska
— Girl in the Phone Booth
Carmen Richard
— Party Attendant
Małgorzata Rogacka
— Julita, Girl in the Phone Booth
Jerzy Kozakiewicz
— Thug Beating Pingwin
Mirosław Majchrowski
— Thug Beating Pingwin
Jerzy Trojan
— Student
Stanisław Tym
— Osetnik, Bączek's Friend
Krystyna Borowicz
— Customer Asking for Eggs (uncredited)
Maciej Damięcki
— Thug Beating Pingwin (uncredited)
Jerzy Karaszkiewicz
— Man at a Staircase (uncredited)
Krzysztof Kowalewski
— Bus Passenger (uncredited)
Juliusz Lubicz-Lisowski
— Florist (uncredited)
Zofia Merle
— Shopkeeper (uncredited)
Adam Perzyk
— Man by a Beer Both (uncredited)
Andrzej Siedlecki
— Boy on the Staircase
Włodzimierz Stępiński
— Man by a Beer Booth (uncredited)
Kalina Jędrusik
— Baśka Oraczewska (voice) (uncredited)