 Sayuri YoshinagaFukiko Kuwano | Fukiko Kuwano |
 Mitsuo HamadaRyohei Mikami | Ryohei Mikami |
 Ken YamauchiKokichi Kanaya | Kokichi Kanaya |
 Yūnosuke ItōKentaro Kuwano (Fukiko's father) | Kentaro Kuwano (Fukiko's father) |
 Kuniko MiyakeFumi Kuwano (Fukiko's mother) | Fumi Kuwano (Fukiko's mother) |
 Hiroyuki ÔtaShiro Kuwano (Fukiko's younger brother) | Shiro Kuwano (Fukiko's younger brother) |
 Tsutomu ShimomotoTaro Kuwano (Fukiko's eldest brother) | Taro Kuwano (Fukiko's eldest brother) |
 Hisano YamaokaTatsue Kuwano (Taro's wife) | Tatsue Kuwano (Taro's wife) |
 Kotoe HatsuiRitsuko Kitamura (Fukiko's older sister) | Ritsuko Kitamura (Fukiko's older sister) |
 Shoichi OzawaToshio Kitamura (Ritsuko's husband) | Toshio Kitamura (Ritsuko's husband) |
| TToyoko TakechiTora Kitamura (Toshio's biological mother) | Tora Kitamura (Toshio's biological mother) |
 Hiroshi KondōJiro Kuwano (Fukiko's second eldest brother) | Jiro Kuwano (Fukiko's second eldest brother) |
| MMidori AsakazeNatsuko Kuwano (Jiro's wife) | Natsuko Kuwano (Jiro's wife) |
 Kayo MatsuoKazuko Watase (Ryohei's college friend) | Kazuko Watase (Ryohei's college friend) |
 Daizaburo HirataYasuji Nozawa (Fukiko's senior colleague) | Yasuji Nozawa (Fukiko's senior colleague) |
 Taketoshi NaitōMr. Aoyama (Fukiko's high school teacher) | Mr. Aoyama (Fukiko's high school teacher) |
 Nobuo KawakamiKanaya Yonekichi (Kokichi's father) | Kanaya Yonekichi (Kokichi's father) |