Akira Takaki

饰 Muumipeikko (voice)

Oiva Lohtander

饰 Muumipappa (Finnish version) (voice)

Niklas Åkerfelt

饰 Nuuskamuikkunen / Hemuli (Finnish / Swedish version) (voice)

Vesa Vierikko

饰 Narrator / Postman (Finnish version) (voice)

Maria Sid

饰 Muumimamma / Salome / Homssumuori (Finnish / Swedish version) (voice)

Diandra Flores

饰 Pikku Myy / Homssu-punapää / Mymmeli (Finnish version) (voice)

Saara Lehtonen

饰 Squirrel / Surku-koira / Vilijonkka / Homssu-pellavapää (Finnish version) (voice)

Nina Hukkinen

饰 Tuu-Tikki / Tahmatassu / Kampsu / Nyyti (Finnish version) (voice)