Elenco - The Big, Bigger, and the Biggest
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
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)