During a summer holiday, two boys discover an anti-gravity cannon in an old attic.
Mario Mirković
Miro
Jiří Guryča
Pepek
Nina Petrović
Božena
Rene Bitorajac
Adam
Špiro Guberina
Marko Pivac
Boris Dvornik
Šime
Petar Jelaska
Toma
Jan Kanyza
Aristotel Holm
Miloš Kopecký
Boss
Mia Oremović
Tetka Lucija
Edo Peročević
Inspektor
Antun Nalis
Tonči
