Daimaru Yasuda (11 episodes)

Takahiro Ajioka (1 episode)

Hiromi Tsuchiya (6 episodes)

Saburo Yokomiya (5 episodes)

増本幸次郎 (1 episode)

(1 episode)

Shiba Takayuki

Hitoshi Todo

Makoto Banno (3 episodes)

Zenzo Jougasaki

(4 episodes)

Yusaku Ujihara

Kei and Tomo's Father (voice)

Mikumo Shoichi (12 episodes)

Eiji Shinsei

Noboru Yamahisa (7 episodes)

Zenzo Shogasaki

Sasai Soichiro [CEO of Sasai Memorial Hospital] (10 episodes)

(1 episode)

高科教授 (8 episodes)

(1 episode)

(1 episode)

Fuwa Makoto (8 episodes)

Zenzo Shogasaki

Genichiro Kuno (12 episodes)

Mitsuo Kitajima

(8 episodes)

Zenzo Shogasaki (1 episode)

Keiichi Saeki

Keisuke Ohara (10 episodes)

(2 episodes)

쿠스모토 마사후미 (7 episodes)

Kusumoto Masafumi (1 episode)

(1 episode)

(8 episodes)

(5 episodes)

Tsutomu Otomo

Shoichi Aoi（青井 省一） (1 episode)

Jiro Shibata

Koji Takase

(10 episodes)

Yusaku Tomobe (5 episodes)

Reiji Shudo (1 episode)

Yoichi Tsukagoshi

(1 episode)

Shusaku Sakuraba (11 episodes)

Hanabishi Hideo (4 episodes)

(7 episodes)

(7 episodes)

(1 episode)

(1 episode)

Kenichi Takaoka (1 episode)

Shintani

Kiyotaka Shiina (1 episode)

Takuya Yamamori

Kyozo Shiina

倉橋豊

(1 episode)

浜本哲也 (150 episodes)

Koichiro Tomobe (1 episode)

Keiichiro Aso

Tokunaga Katsumi (9 episodes)

Kotaro Mizuhara (10 episodes)

Wada Akira (5 episodes)

Masahiko Takano

Tadao Miyata

Daisuke Goto

(11 episodes)

(12 episodes)

(10 episodes)

Narumi Takasu

Hiroki Kaga（加賀 裕樹） (12 episodes)

(8 episodes)

滝井ｼﾞｪｲﾑｽﾞ祐二

Taira Shigeru (38) (11 episodes)

Kohei Sato

(1 episode)

Ayanokouji Kimihiko (10 episodes)

(1 episode)

Kazushi Yoshioka

Dr. Kazuhiko Manabe

(1 episode)

(1 episode)

Keisuke Hayasaka (10 episodes)

Tomohiro Ukyo (46 episodes)

(46 episodes)

(1 episode)

(15 episodes)

Takai Shinichi (11 episodes)

石川玄 (11 episodes)

(1 episode)

Yutaka Shiozaki (10 episodes)

Kanao Aoike (1 episode)

Tōtarō Tsubaki (1 episode)

(12 episodes)

Shota Amenomori

Osamu Yokoyama

Yûsaku Godai

椎名燎平 (13 episodes)