Pan Kleks w kosmosie

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)