Mariko studies at a missionary school in Shinshu. She drops out of school and joins her father on a circus tour when she discovers that her father, Ryutaro, whom she always thought was an agricultural and forestry engineer, was a circus clown. Over time, Mariko's singing attracted the attention of the public.
| Actor | Role |
|---|---|
 Hibari MisoraMariko | Mariko |
 Keiji SadaNot listed | Not listed |
 Keiko KishiNot listed | Not listed |
 Kuniko MiyakeNot listed | Not listed |
 Shunji SakaiNot listed | Not listed |
 Shin TokudaijiNot listed | Not listed |
| RRyuji KitaNot listed | Not listed |
 Akio IsonoNot listed | Not listed |
| EEiko TakamatsuNot listed | Not listed |
 Ichirō ShimizuNot listed | Not listed |
| TTaeko HiraNot listed | Not listed |
| HHaruhisa KawadaNot listed | Not listed |
| RReiko MinakamiNot listed | Not listed |