Wojciech Litynski
— Scooter
Andrzej Nasfeter
— Rudy
Marek Paprotny
— Pyza
Tomasz Mayzel
— Cwajnos
Jerzy Palmowski
— Owl
Tadeusz Wisniewski
— Squirrel
Saturnin Butkiewicz
— Amusement Park Manager
Bolesław Kamiński
— Manager's Helper
Stanisław Milski
— "Owl's" Grandfather
Edward Radulski
— Igor
Aleksander Kornel
— "Millionaire"
Henryk Fogiel
— "Stocky"
Lech Rzegocki
— "Czarny"
Andrzej Paprotny
— "Skinny"
Halina Przybylska
— "Millionaire's" Mother
Tadeusz Woźniak
— "Millionaire's" Father
Jarosław Skulski
— Amusement Park Employee (uncredited)
Wiesława Mazurkiewicz
— Store Clerk (uncredited)
Zygmunt Zintel
— Man Soldering Pots (uncredited)