Heimo Haitto

Olavi

Regina Linnanheimo

Anna

Aku Korhonen

Professor

Jalmari Rinne

Antti

Ossi Elstelä

Jouko Ilvonen

Kauko

Helinä Sirkiä

Helinä

Kaarlo Marjanen

Narrator (voice) (uncredited)

Anni Hämäläinen

Kaisa (uncredited)

Lasse Lagus

Kalle (uncredited)

Irja Elstelä

Greta (uncredited)

Leena Valkeala

Leena Valkeala (uncredited)

William Reunanen

William Reunanen (uncredited)

Taisto Lindegren

Taisto Lindegren (uncredited)

Fiinu Autio

Fiinu Autio (uncredited)

Olavi Suominen

Olavi Suominen (uncredited)

Leo Sarri

Leo Sarri (uncredited)

Aarre Koivisto

Aarre Koivisto (uncredited)

Olavi Tuomi

Olavi Tuomi (uncredited)

Arvi Järvinen

Arvi Järvinen (uncredited)

T.J. Särkkä

Toivo Särkkä (uncredited)

Varma Lahtinen

(uncredited)

Jaakko Furman

(uncredited)

Rosi Rinne

Kalle's Mother (uncredited)

Uuno Montonen

(uncredited)

Aku Käyhkö

(uncredited)

Artturi Laakso

(uncredited)

Martti Similä

(uncredited)

Boris Sirpo

(uncredited)

Cyril Szalkiewicz

(uncredited)