Maaria Eira as Ilona Heli

Olavi Reimas as Timo Kalke 'Valtteri Mäkelä'

Toini Vartiainen as Maretta

Laila Rihte as Tuulikki

Laila Jokimo as Agnes

Hugo Hytönen as Heli

Onni Korhe as Klaus Vuorimaa

Esko Vettenranta as Kuski-Kalle

Toppo Elonperä as Johansson

Kalle Viherpuu as Miettinen

Assi Nortia as Leila

Irja Kuusla as Hulda (uncredited)

Varma Lahtinen as Mari (uncredited)

Hannes Hako as Mantila (uncredited)

Oscar Tengström as Prof. Sairamo (uncredited)

Regina Keso as Sairamo (uncredited)

Lauri Kyöstilä as (uncredited)

Otto Noro as (uncredited)

Hellä Laiho as (uncredited)

Maija-Liisa Pohjola as (uncredited)

Vilho Kekkonen as (uncredited)

Vili Järe as (uncredited)

Senja Soitso as (uncredited)

Tellervo Mäki as (uncredited)