Students from five different countries arrive in Maruko's town. Maruko and her classmates can barely contain their curiosity, and their new friends are full of surprises. And Maruko's family will house a boy from Italy!
| Actor | Role |
|---|---|
 TARAKOMomoko Sakura (voice) | Momoko Sakura (voice) |
 Tomoko NakaShigeru Fujiki (voice) | Shigeru Fujiki (voice) |
 Tsutomu KashiwakuraNoritaka Hamazaki (voice) | Noritaka Hamazaki (voice) |
 Masami KikuchiKazuhiko Hanawa (voice) | Kazuhiko Hanawa (voice) |
 Naoko WatanabeTamae Honami (voice) | Tamae Honami (voice) |
 Nobuo TobitaSueo Marou (voice) | Sueo Marou (voice) |
 Miki NarahashiHanako Migiwa (voice) | Hanako Migiwa (voice) |
 ChafurinKimio Nagasawa (voice) / Hideji Saijou (voice) | Kimio Nagasawa (voice) / Hideji Saijou (voice) |
 Keaton YamadaNarrator | Narrator |
 Yusuke NumataKenichi Oono (voice) | Kenichi Oono (voice) |
 Ako MayamaSatoshi Sugiyama (voice) | Satoshi Sugiyama (voice) |
 Hirohiko KakegawaHideyuki Togawa (voice) | Hideyuki Togawa (voice) |
 Naomi WatanabeJulia (voice) | Julia (voice) |
 Taishi NakagawaAndrea (voice) | Andrea (voice) |
 Gekidan HitoriSingh (voice) | Singh (voice) |
 Papaya SuzukiNepu (voice) | Nepu (voice) |
 RolaXin-ni (voice) | Xin-ni (voice) |