Markku Toikka

Character: Antti Rahikainen

Aino Seppo

Character: Eeva Laakso

Esko Nikkari

Character: Inspector Pennanen

Hannu Lauri

Character: Heinonen

Olli Tuominen

Character: Detective Snellman

Matti Pellonpää

Character: Nikander

Harri Marstio

Character: Singer in the Restaurant Band

Pedro Hietanen

Character: Pianist of the Restaurant Band

Hannu Lemola

Character: Drummer of the Restaurant Band

Kari Sorvali

Character: Sormunen

Pentti Auer

Character: Kari Honkanen

Asmo Hurula

Character: Bartender

Risto Aaltonen

Character: Painter

Tarja Keinänen

Character: Mrs. Pennanen

Tiina Pirhonen

Character: Maid

Heljä Angervo

Character: Performer at the Opera (uncredited)

Juuso Hirvikangas

Character: Man at Police Station (uncredited)

Jorma Hynninen

Character: Performer at the Opera (uncredited)

Kalervo Katajavuori

Character: Police Officer (uncredited)

Kari Kuoppa

Character: Performer at the Opera (uncredited)

Jouko Lumme

Character: Police Photographer (uncredited)

Pirjo Luoma-aho

Character: Sonja's Co-Worker (uncredited)

Jaakko Ryhänen

Character: Performer at the Opera (uncredited)

Mikael Sievers

Character: Painter's Helper (uncredited)

Aino Takala

Character: Performer at the Opera (uncredited)

Taru Valjakka

Character: Performer at the Opera (uncredited)

Tapani Valtasaari

Character: Performer at the Opera (uncredited)

Merja Wirkkala

Character: Performer at the Opera (uncredited)