After her father gets incapacitated due to a stroke, a young girl named Sanae takes over his postal job to support her family.
| Actor | Role |
|---|---|
 Satomi OkaSanae Horimoto | Sanae Horimoto |
 Isao YamagataIwakichi Horimoto | Iwakichi Horimoto |
 Sonny ChibaYoshio Horimoto | Yoshio Horimoto |
 Jo MizukiSaburo Yamaguchi | Saburo Yamaguchi |
 So YamamuraKojiro Yamaguchi | Kojiro Yamaguchi |
 Kyoko ShinobazuTokiko Yamaguchi | Tokiko Yamaguchi |
| AAyuko UesugiharaYoshiko Yamaguchi | Yoshiko Yamaguchi |
 Ryuko MizukamiKimie Miyagawa | Kimie Miyagawa |
 Hitomi NakaharaHaruyo Masuda | Haruyo Masuda |
| FFujie SatsukiNot listed | Not listed |
 Yuriko AnjoNot listed | Not listed |
 Shigeko AraiNot listed | Not listed |
| FFusatarō IshijimaNot listed | Not listed |
 Takashi ShimuraNot listed | Not listed |
 Mayumi FujisatoNot listed | Not listed |
 Ushio AkashiNot listed | Not listed |
 Noriko KitazawaNot listed | Not listed |
 Shoji NakayamaNot listed | Not listed |
| TTadashi SuganumaNot listed | Not listed |