After a volcanic eruption causes floods, members of the moomin family find refuge inside a floating theater.
as Narrator / Muumipappa (voice)
as Muumimamma (voice)
as Muumipeikko (voice)
as Niiskuneiti / Miska (voice)
as Nuuskamuikkunen (voice)
as Pikku Myy (voice)
as Homssu (voice)
as Puistovahti (voice)
as Mymmelin tytär / Vahdin serkku (voice)
as Vilijonkka / Emma (voice)
