Tapani Perttu

as Muumipappa / Narrator (voice)

as Narrator / Muumipappa (voice)

as Rehtori Tyynelä

as Dahlberg

as Kalle Arponen

as Ylilääkäri

as Matti Paavola

as Self (uncredited)

as Laurin isä

as Pantsu Katainen

as TT

as Juhani Multia

as Tapani Perttu

as Youngster

as (uncredited)