| Nao-kun (Tedzuka Nao) | Ueda Yuuji |
| Nijihara Inku/Pastel Ink | Tamura Yukari |
| Aa-kun (Aakusu Sherudaato Eru Vaiasu) | Onosaka Masaya |
| Kurui Sumi/Tenpera Sumi | Tomatsu Haruka |
| Shiratori Arisu (Alice) | Nazuka Kaori |
| Kaa-kun (Kaakusu Girubaato Gai Seryuusu) | Hiyama Nobuyuki |
| Naa-kun (Nadi Poshetto) | Kaneda Tomoko |
| Dandi | Nakata Jouji |
| Keikan [Policeman] | Yanaka Hiroshi |
| Oyaji | Iwata Mitsuo |
| Tanaka Rina | Iguchi Yuka |
| Suzuki Remi | Honda Youko |
| Tedzuka Mio | Nakao Eri |
| Inku Mama | Ishige Sawa |
| Furuta Rihoko-sensei | Sakamoto Misato |
| Pen-kun | Kunii Sakuya |
| Muni-san | Okinawa no Higa |
| Nao-kun (Tedzuka Nao) (Boyhood) | Kimura Akiko |
| Ruriko | Morinaga Rika |
| Majimero | Kimura Akiko |
| Miho | Kimura Akiko |
| Kuroki Yami | Nazuka Kaori |
| Shizuku | Inoue Marina |
| Saibankan | Shimozaki Hiroshi |
| Female Highschool Student 1 | Kimura Akiko |
| Female Highschool Student 2 | Sakamoto Misato |
