Niklas Åkerfelt

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

Vesa Vierikko

Narrator / Postman (Finnish version) (voice)

Maria Sid

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

Nina Hukkinen

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

Terrence Scammell

Ancestor (Swedish version) (voice)

Stellan Skarsgård

Moomin Pappa (Swedish version) (voice)

Bill Skarsgård

Moomintroll (Swedish version) (voice)

Alicia Vikander

Little My / Sorry-oo (Swedish version) (voice)

Stina Ekblad

Berättare / Too-Ticki / Gamla Homsan (Swedish version) (voice)