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A closed room mystery begins when an infamous tycoon is found dead in his bath tub. The famous police lieutenant Palmu is summoned to investigate.
Palmu
Irma Vanne
K.V. Laihonen
Väinö Kokki
Airi Rykämö
Erik Vaara
Aimo Rykämö
Bruno Rygseck
Gunnar Rygseck
Hagert
Pianist
Dr. Dahlberg
Worker
Police Officer (uncredited)
September 9, 1960
Palmu
Irma Vanne
K.V. Laihonen
Väinö Kokki
Airi Rykämö
Erik Vaara
Aimo Rykämö
Bruno Rygseck
Gunnar Rygseck
Hagert
Pianist
Dr. Dahlberg
Worker
Police Officer (uncredited)
Similar to Inspector Palmu's Error
