Piotr Fronczewski

Ambroży Kleks

Henryk Bista

Great electronics

Jan Jankowski

Jacek Bronowski / Max Benson

Emilian Kamiński

You smooth it out / 'Hairy fellow'

Maryla Rodowicz

Linella

Bohdan Smoleń

Jarzabek / Manuel Karmello de Bazar

Ján Mildner

Chinese emperor

Mieczysław Gajda

Melodarek (voice) (uncredited)

Irena Kwiatkowska

Information orb (voice) (uncredited)

Henryk Talar

Computer Lucas (voice) (uncredited)

Monika Sapilak

Agnes

Piotr Ptaszyński

Penny Benson

Zofia Merle

Marciniak

Zbigniew Buczkowski

Alojzy Bąbel

Nina Gocławska

Gina Casate

Zdzisława Specht

Gloria Casate

Anna Frankowska-Teter

Journalist

Marian Glinka

Scrapyard Guard

Marek Sierocki

'Internews' Host

Bruno O'Ya

Jerzy Zass

Natalia Babińska

Student

Sylwin Dąblewski

Student

Alicja Gradowska

Student

Dariusz Kacprzak

Student

Marcin Gruchalski-Buszta

Student

Wojciech Klata

Student

Marzena Krzysztof

Student

Sebastian Mikołajczyk

Student

Anna Nieduszyńska

Student

Artur Pontek

Student

Beata Reczyńska

Student

Maciej Skotnicki

Student

Aleksander Sosna

Student

Magda Sternik

Student

Janusz Suski

Student

Katarzyna Śródka

Student

Magda Wierzcholska

Student

Paweł Wiśniewski

Student

Mateusz Wolski

Student

Gerard Wtykło

Student

Urszula Zalewska

Student

Karolina Zbrożek

Student

Magdalena Żydek

Student

Jacek Domański

Air traffic control officer (uncredited)

Jerzy Moes

Embassy official (uncredited)

Marcin Troński

Prime minister of the planet

Alfred Freudenheim

Space fleet admiral

Witold Dębicki

Dr. Paj-Chi-Wo

Jan Himilsbach

Guard

Maria Probosz

Sandy

Beata Kozidrak

Princess from rock-comet

Leon Niemczyk

Portugal Monk (uncredited)

Die Akademie des Herrn Klecks

Podróże Pana Kleksa

Pan Kleks w kosmosie

Tryumf pana Kleksa