A peaceful summer day in the Moomin Valley is interrupted by a volcanic eruption. At the last minute the Moomin family finds refuge in a strange house. It turns out it's not an ordinary house but a theatre stage where the Moomin Family begins to write a play.
Stig Hoffmeyer....Fortæller (voice)
Taneli Mäkelä....Nuuskamuikkunen (voice)
Tapani Perttu....Muumipappa / Kertoja (voice)
Jasper Pääkkönen....Muumipeikko (voice)
Elsa Saisio....Niiskuneiti (voice)
Johanna Viksten....Muumimamma (voice)
Filmography links and data courtesy of The Internet Movie Database.