Wielka, większa i największa

Kinga Sienko

Irka "Ika"

Wojciech Puzynski

Groszek

Bogusz Bilewski

Jean

Zofia Kucówna

Groszek's Mother

Janusz Kłosiński

Eustachy Kużewik

Urszula Modrzyńska

Hanka

Jan Matyjaszkiewicz

Józef

Zygmunt Malawski

Opel Captain Owner

Bronisław Pawlik

Groszek's Father

Mieczysław Stoor

Bob

Joanna Walter

Andrzej Szczepkowski

Ika's Father

Teodor Gendera

Plane Captain (uncredited)

Mariusz Gorczyński

Vega Citizen (uncredited)

Zbigniew Józefowicz

Policeman Arresting Kidnappers (uncredited)

Barbara Modelska

Vega Citizen (uncredited)

Jan Suzin

TV Announcer (uncredited)

Roman Wilhelmi

Vega Citizen (uncredited)

Edyta Wojtczak

TV Announcer (uncredited)

Stanisław Milski

Opel Captain (voice)

Kazimierz Wichniarz

Jak (voice)

Danuta Przesmycka

Irka "Ika" (voice) (uncredited)