Piotr Fronczewski as Ambroży Kleks

Henryk Bista as Great electronics

Jan Jankowski as Jacek Bronowski / Max Benson

Emilian Kamiński as You smooth it out / 'Hairy fellow'

Maryla Rodowicz as Linella

Bohdan Smoleń as Jarzabek / Manuel Karmello de Bazar

Ján Mildner as Chinese emperor

Mieczysław Gajda as Melodarek (voice) (uncredited)

Irena Kwiatkowska as Information orb (voice) (uncredited)

Henryk Talar as Computer Lucas (voice) (uncredited)

Monika Sapilak as Agnes

Piotr Ptaszyński as Penny Benson

Zofia Merle as Marciniak

Zbigniew Buczkowski as Alojzy Bąbel

Nina Gocławska as Gina Casate

Zdzisława Specht as Gloria Casate

Anna Frankowska-Teter as Journalist

Marian Glinka as Scrapyard Guard

Marek Sierocki as 'Internews' Host

Bruno O'Ya as

Jerzy Zass as

Natalia Babińska as Student

Sylwin Dąblewski as Student

Alicja Gradowska as Student

Dariusz Kacprzak as Student

Marcin Gruchalski-Buszta as Student

Wojciech Klata as Student

Marzena Krzysztof as Student

Sebastian Mikołajczyk as Student

Anna Nieduszyńska as Student

Artur Pontek as Student

Beata Reczyńska as Student

Maciej Skotnicki as Student

Aleksander Sosna as Student

Magda Sternik as Student

Janusz Suski as Student

Katarzyna Śródka as Student

Magda Wierzcholska as Student

Paweł Wiśniewski as Student

Mateusz Wolski as Student

Gerard Wtykło as Student

Urszula Zalewska as Student

Karolina Zbrożek as Student

Magdalena Żydek as Student

Jacek Domański as Air traffic control officer (uncredited)

Jerzy Moes as Embassy official (uncredited)

Marcin Troński as Prime minister of the planet

Alfred Freudenheim as Space fleet admiral

Witold Dębicki as Dr. Paj-Chi-Wo

Jan Himilsbach as Guard

Maria Probosz as Sandy

Beata Kozidrak as Princess from rock-comet

Leon Niemczyk as Portugal Monk (uncredited)