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

Mieczysław Gajda

Melodarek (voice) (uncredited)

Irena Kwiatkowska

Information orb (voice) (uncredited)

Henryk Talar

Computer Lucas (voice) (uncredited)

Zofia Merle

Marciniak

Zbigniew Buczkowski

Alojzy Bąbel

Nina Gocławska

Gina Casate

Anna Frankowska-Teter

Journalist

Marian Glinka

Scrapyard Guard

Bruno O'Ya

Jerzy Zass

Wojciech Klata

Student

Artur Pontek

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)