小林旭

Chūji Nakanishi (President of the Nakanishi-gumi construction company)

白木万理

Chikako Shiga (Photographer)

岡田眞澄

Jirō Sugi (Civil engineer for Nakanishi-gumi)

Kō Nishimura

Sakamaki (Trade journal reporter)

植村謙二郎

Gorō Hasegawa (Fūtarō)

近藤宏

Tomioka (Technical official, Kanagawa Prefectural Port Division)

芦田伸介

Takamitsu Sesato (President of Teikoku Kin'yū)

安井昌二

Susumu Suda (Fūtarō, a former doctor)

梅野泰靖

Tatsuhiko Ōe (Nakanishi-gumi accountant; nicknamed "Shibuchin")

伊達信

Sōichirō Shiga (Branch manager at Kanagawa Bank; Chikako's father)

土方弘

Kyūsaku Gonda (Fūtarō)

峰三平

Kanji (Kitchen Staff, Nakanishi-gumi)