Markku Toikka
Antti Rahikainen
Aino Seppo
Eeva Laakso
Esko Nikkari
Inspector Pennanen
Hannu Lauri
Heinonen
Olli Tuominen
Detective Snellman
Matti Pellonpää
Nikander
Harri Marstio
Singer in the Restaurant Band
Pedro Hietanen
Pianist of the Restaurant Band
Hannu Lemola
Drummer of the Restaurant Band
Kari Sorvali
Sormunen
Pentti Auer
Kari Honkanen
Asmo Hurula
Bartender
Risto Aaltonen
Painter
Tarja Keinänen
Mrs. Pennanen
Tiina Pirhonen
Maid
Heljä Angervo
Performer at the Opera (uncredited)
Juuso Hirvikangas
Man at Police Station (uncredited)
Jorma Hynninen
Performer at the Opera (uncredited)
Kalervo Katajavuori
Police Officer (uncredited)
Kari Kuoppa
Performer at the Opera (uncredited)
Jouko Lumme
Police Photographer (uncredited)
Pirjo Luoma-aho
Sonja's Co-Worker (uncredited)
Jaakko Ryhänen
Performer at the Opera (uncredited)
Mikael Sievers
Painter's Helper (uncredited)
Aino Takala
Performer at the Opera (uncredited)
Taru Valjakka
Performer at the Opera (uncredited)
Tapani Valtasaari
Performer at the Opera (uncredited)
Merja Wirkkala
Performer at the Opera (uncredited)