Markku Toikka as Antti Rahikainen

Aino Seppo as Eeva Laakso

Esko Nikkari as Inspector Pennanen

Hannu Lauri as Heinonen

Olli Tuominen as Detective Snellman

Matti Pellonpää as Nikander

Harri Marstio as Singer in the Restaurant Band

Pedro Hietanen as Pianist of the Restaurant Band

Hannu Lemola as Drummer of the Restaurant Band

Kari Sorvali as Sormunen

Pentti Auer as Kari Honkanen

Asmo Hurula as Bartender

Risto Aaltonen as Painter

Tarja Keinänen as Mrs. Pennanen

Tiina Pirhonen as Maid

Heljä Angervo as Performer at the Opera (uncredited)

Juuso Hirvikangas as Man at Police Station (uncredited)

Jorma Hynninen as Performer at the Opera (uncredited)

Kalervo Katajavuori as Police Officer (uncredited)

Kari Kuoppa as Performer at the Opera (uncredited)

Jouko Lumme as Police Photographer (uncredited)

Pirjo Luoma-aho as Sonja's Co-Worker (uncredited)

Jaakko Ryhänen as Performer at the Opera (uncredited)

Mikael Sievers as Painter's Helper (uncredited)

Aino Takala as Performer at the Opera (uncredited)

Taru Valjakka as Performer at the Opera (uncredited)

Tapani Valtasaari as Performer at the Opera (uncredited)

Merja Wirkkala as Performer at the Opera (uncredited)