7.1
Takao Yuki, the police detective
Kyûichi Ishii, the murderer
Yuji Shimooka, the police detective
Sadako Yokokawa
Mrs. Shimooka
Mr. Yokokawa
Mr. Yamada, principal offender
Mr. Takakura
Proprietress of the Hotel Hizen-ya
Yumiko Takakura
Mrs. Takakura
Saga Police Detective
Taxi driver
Policeman
Postman
Takakura's younger sister
Yokokawa's son
Yu Tachibana's daughter
Laundry owner
Bookbinder owner
Fukagawa station inspector
Fukagawa station section chief
Laundry errand boy
Yokokawa's daughter
Shimooka's eldest son
Kamataki
Akie, hotel's maid
Town factory master
Saga police chief
Construction camp master
