 Akira KobayashiChūji Nakanishi (President of the Nakanishi-gumi construction company) | Chūji Nakanishi (President of the Nakanishi-gumi construction company) |
 Mari ShirakiChikako Shiga (Photographer) | Chikako Shiga (Photographer) |
 Masumi OkadaJirō Sugi (Civil engineer for Nakanishi-gumi) | Jirō Sugi (Civil engineer for Nakanishi-gumi) |
 Kō NishimuraSakamaki (Trade journal reporter) | Sakamaki (Trade journal reporter) |
 Kenjiro UemuraGorō Hasegawa (Fūtarō) | Gorō Hasegawa (Fūtarō) |
 Hiroshi KondōTomioka (Technical official, Kanagawa Prefectural Port Division) | Tomioka (Technical official, Kanagawa Prefectural Port Division) |
 Shinsuke AshidaTakamitsu Sesato (President of Teikoku Kin'yū) | Takamitsu Sesato (President of Teikoku Kin'yū) |
 Shōji YasuiSusumu Suda (Fūtarō, a former doctor) | Susumu Suda (Fūtarō, a former doctor) |
 Yasukiyo UmenoTatsuhiko Ōe (Nakanishi-gumi accountant; nicknamed "Shibuchin") | Tatsuhiko Ōe (Nakanishi-gumi accountant; nicknamed "Shibuchin") |
 Shin DateSōichirō Shiga (Branch manager at Kanagawa Bank; Chikako's father) | Sōichirō Shiga (Branch manager at Kanagawa Bank; Chikako's father) |
 Hiroshi HijikataKyūsaku Gonda (Fūtarō) | Kyūsaku Gonda (Fūtarō) |
| SSanpei MineKanji (Kitchen Staff, Nakanishi-gumi) | Kanji (Kitchen Staff, Nakanishi-gumi) |
