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