Olavi Heimo Haitto

Anna Regina Linnanheimo

Professor Aku Korhonen

Antti Jalmari Rinne

Ossi Elstelä

Kauko Jouko Ilvonen

Helinä Helinä Sirkiä

Narrator (voice) (uncredited) Kaarlo Marjanen

Kaisa (uncredited) Anni Hämäläinen

Kalle (uncredited) Lasse Lagus

Greta (uncredited) Irja Elstelä

Leena Valkeala (uncredited) Leena Valkeala

William Reunanen (uncredited) William Reunanen

Taisto Lindegren (uncredited) Taisto Lindegren

Fiinu Autio (uncredited) Fiinu Autio

Olavi Suominen (uncredited) Olavi Suominen

Leo Sarri (uncredited) Leo Sarri

Aarre Koivisto (uncredited) Aarre Koivisto

Olavi Tuomi (uncredited) Olavi Tuomi

Arvi Järvinen (uncredited) Arvi Järvinen

Toivo Särkkä (uncredited) T.J. Särkkä

(uncredited) Varma Lahtinen

(uncredited) Jaakko Furman

Kalle's Mother (uncredited) Rosi Rinne

(uncredited) Uuno Montonen

(uncredited) Aku Käyhkö

(uncredited) Artturi Laakso

(uncredited) Martti Similä

(uncredited) Boris Sirpo

(uncredited) Cyril Szalkiewicz