 Heimo HaittoOlavi | Olavi |
 Regina LinnanheimoAnna | Anna |
 Aku KorhonenProfessor | Professor |
 Jalmari RinneAntti | Antti |
 Ossi ElsteläNot listed | Not listed |
| JJouko IlvonenKauko | Kauko |
| HHelinä SirkiäHelinä | Helinä |
| KKaarlo MarjanenNarrator (voice) (uncredited) | Narrator (voice) (uncredited) |
| AAnni HämäläinenKaisa (uncredited) | Kaisa (uncredited) |
| LLasse LagusKalle (uncredited) | Kalle (uncredited) |
 Irja ElsteläGreta (uncredited) | Greta (uncredited) |
| LLeena ValkealaLeena Valkeala (uncredited) | Leena Valkeala (uncredited) |
| WWilliam ReunanenWilliam Reunanen (uncredited) | William Reunanen (uncredited) |
| TTaisto LindegrenTaisto Lindegren (uncredited) | Taisto Lindegren (uncredited) |
| FFiinu AutioFiinu Autio (uncredited) | Fiinu Autio (uncredited) |
| OOlavi SuominenOlavi Suominen (uncredited) | Olavi Suominen (uncredited) |
| LLeo SarriLeo Sarri (uncredited) | Leo Sarri (uncredited) |
| AAarre KoivistoAarre Koivisto (uncredited) | Aarre Koivisto (uncredited) |
| OOlavi TuomiOlavi Tuomi (uncredited) | Olavi Tuomi (uncredited) |
| AArvi JärvinenArvi Järvinen (uncredited) | Arvi Järvinen (uncredited) |
 T.J. SärkkäToivo Särkkä (uncredited) | Toivo Särkkä (uncredited) |
| VVarma Lahtinen(uncredited) | (uncredited) |
| JJaakko Furman(uncredited) | (uncredited) |
| RRosi RinneKalle's Mother (uncredited) | Kalle's Mother (uncredited) |
 Uuno Montonen(uncredited) | (uncredited) |
 Aku Käyhkö(uncredited) | (uncredited) |
 Artturi Laakso(uncredited) | (uncredited) |
| MMartti Similä(uncredited) | (uncredited) |
| BBoris Sirpo(uncredited) | (uncredited) |
| CCyril Szalkiewicz(uncredited) | (uncredited) |
