- Mari Adachi
- Monmon Teacher
- Tomoko Akiya
- Suzume Mizuno
- Shigeru Chiba
- Dr. M2
- Hozumi Gôda
- Kafka Sunbeam
- Masami Kikuchi
- Kyanchome
- Rie Kugimiya
- Tio
- Satomi Kôrogi
- Umagon
- Ai Maeda
- Megumi Ooumi
- Ayaka Saitô
- 4th Generation Vulcan
- Takahiro Sakurai
- Takamine
- Wataru Takagi
- Kaneyama
- Hiroki Takahashi
- Parco Folgore
- Kazunari Tanaka
- Hiroshi Yamanaka
- Masaaki Tsukada
- Principal
- Kinoko Yamada
- Naomi
- Wakana Yamazaki
- Kiyomaro's Mother
- Ikue Ôtani
- Gash
