The Trap

Kojima Takao

Iseki (Detective Chief)

Matsudo Jōkichi

Takaoka Kakuji

Imaeda (Detective)

Ōtsuki (Detective)

Koishi (Detective)

Police Chief

Prosecutor

Shin Seiko (or Aratase Iko)

Masae

Inui Namiko

Niida

Nemoto

Wakamiya Sanae