Saburo Shinoda

as Mr. Kozo

as 로이드 (12 episodes)

as Matsuda Michihiko (1 episode)

as Tatsumi Sakaguchi

as Hideo Kawai

as Yoji Sakura (11 episodes)

as Akuzawa

as Kenji Kurashina

as Kuramori Kunio

as Niwa Nagahide (2 episodes)

as Professor Fukazawa

as Ryoji Sato

as Professor Fukazawa

as 父・中村市郎 (151 episodes)

as Tomoyuki Anzai (Green Tourism Tour Guide)

as 酒井祐助 (26 episodes)