Gunvor Sandkvist
— Siiri Forss
Matti Oravisto
— Usko Siltanen
Toivo Mäkelä
— Bertel Forss
Paavo Hukkinen
— Usko's 1st Pal
Kauko Laurikainen
— Usko's 2nd Pal
Juhani Kumpulainen
— Agitator
Kaarlo Saarnio
— Usher
Leo Jokela
— Usko's 3rd Pal
Matti Kassila
— Narrator (voice) (uncredited)
Maija Autio
— (uncredited)
Ulla Sandqvist
— (uncredited)
Armas Jokio
— (uncredited)
Eva Hellas
— (uncredited)
Anu Kilpiö
— (uncredited)
Annikki Linnoila
— (uncredited)
William Reunanen
— (uncredited)
Eero Kilpi
— (uncredited)
Olavi Suominen
— (uncredited)
Jukka Laurin
— (uncredited)
Runar Tuurno
— (uncredited)