Juliusz Wyrzykowski
— King Maciuś I
Ludwik Halicz
— Felek
Elżbieta Buczek
— Klu-klu
Jan Kurnakowicz
— General
Tadeusz Białoszczyński
— Prime Minister
Jan Koecher
— Doctor
Janusz Jaroń
— Minister of Justice
Józef Kondrat
— Minister of Education
Leon Pietraszkiewicz
— Minister of War
Henryk Borowski
— Minister of Internal Affairs
Stanisław Kwaskowski
— Minister of Foreign Affairs
Szczepan Baczyński
— Minister of Finances
Mieczysław Stoor
— Journalist
Adam Mularczyk
— King Elderly
Alfred Łodziński
— King Sad
Ignacy Gogolewski
— King Evil
Zbigniew Józefowicz
— Felek's uncle
Stanisław Łapiński
— Marshal
Zbigniew Skowroński
— King Bum-drum
Bogusz Bilewski
— U-mun-tu
Ryszard Barycz
— Guard captain (uncredited)
Krystyna Feldman
— Teacher (uncredited)
Ryszard Filipski
— (uncredited)
Michał Gazda
— Townsman (uncredited)
Mariusz Gorczyński
— Juvenile delinquent / Maneater (uncredited)
Jerzy Januszewicz
— Officer (uncredited)
Cezary Julski
— Palace guard commander (uncredited)
Andrzej Jurczak
— Juvenile delinquent (uncredited)
Maria Kaniewska
— Lady-in-waiting (uncredited)
Janusz Kłosiński
— King Evil's soldier (uncredited)