- Hiroko Yakushimaru
- Izumi Hoshi
- Tsunehiko Watase
- Makoto Sakuma
- Rentarô Mikuni
- Hajime 'Fatso' Sandaiji
- Yuki Kazamatsuri
- Mayumi Sandaiji
- Kazuo Kitamura
- Hamaguchi, President of Hamaguchi Products
- Akira Emoto
- Detective Kuroki
- Masaaki Daimon
- Masa of Medaka-gumi
- Makoto Satô
- Sekine, Leader of Matsunoki-gumi
- Minori Terada
- Hagiwara
- Kamatari Fujiwara
- Ryûji Hoshi
- Kazuo Amuro
- Boy
- Yôko Amuro
- Girl
- Kazuo Arai
- Member of Sekine-gumi #1
- Seiko Fujiki
- Maid in the Mountain Cottage
- Sumiyo Hasegawa
- Kazuko, Izumi's Classmate
- Shinpei Hayashiya
- Hiko of Medaka-gumi
- Masamitsu Hirota
- Hagiwara's Henchman
- Daisuke Iijima
- Member of Sekine-gumi #2
- Hisashi Imai
- Motorcycle Gang Member
- Shintarô Ishikawa
- Fatso's Bodyguard #1
- Yûdai Ishiyama
- Teacher
- Chiaki Kojo
- Teacher
- Yôko Kurita
- Receptionist in Hamaguchi Products
- Hiroshi Madoka
- Dr. Oda
- Ken Mitsuishi
- Shûhei, Izumi's Friend
- Tatsuya Oka
- Tetsuo, Izumi's Friend
- Kôen Okumura
- Crematorium Worker
- Yôsuke Saitô
- Detective
- Toshiya Sakai
- Akira of Medaka-gumi
- Moto Seta
- Fatso's Bodyguard #2
- Akihiko Sugizaki
- Akira Sekine
- Shingo Yanagisawa
- Tomoo, Izumi's Friend
