Kenji Sakuragi (21 episodes, 2005-2021)
Naomi Mizuno (21 episodes, 2005-2021)
Maki Kobayashi (13 episodes, 2005-2021)
Yusuke Yajima (12 episodes, 2005-2021)
Ichiro Okuno (12 episodes, 2005-2021)
Hideki Ogata (12 episodes, 2005-2021)
Yoshino Kosaka (12 episodes, 2005-2021)
Masanao Ochiai / Common Test Examiner (12 episodes, 2005-2021)
Mamako Ino (11 episodes, 2005)
Tokihisa Kondo (11 episodes, 2005)
Umetaro Miyabe (11 episodes, 2005)
Kazuko Asami (11 episodes, 2005)
Tsutomu Inaba (11 episodes, 2005)
Nozomi Yamamoto (11 episodes, 2005)
Yoshio Tanaka (11 episodes, 2005)
Yasushi Sawamatsu (11 episodes, 2005)
Yuriko Tatsuno (11 episodes, 2005)
Tetsunosuke Yanagi (11 episodes, 2005-2021)
(11 episodes, 2005)
Ryo Fujii (10 episodes, 2021)
Nao Hayase (10 episodes, 2021)
Keita Yoneyama (10 episodes, 2021)
Mari Kosugi (10 episodes, 2021)
Kaede Iwasaki (10 episodes, 2021)
Kumiko Tatsuno (10 episodes, 2021)
Kenta Hara (10 episodes, 2021)
Hiroyuki Takahara (10 episodes, 2021)
Tomoyuki Sakamoto (10 episodes, 2021)
Tatsunori Kohashi (10 episodes, 2021)
Yoshinobu Iwai (10 episodes, 2021)
Akira Seto (10 episodes, 2021)
Rei Seto (10 episodes, 2021)
Yoshiaki Okuda (10 episodes, 2021)
Koichiro Amano (10 episodes, 2021)
Rieko Tamura (10 episodes, 2021)
Kyojiro Tatsuno (10 episodes, 2021)
Kaori Kishimoto (10 episodes, 2021)
Masahiro Oyama (10 episodes, 2021)
Yuko Mizuno (8 episodes, 2005)
Ryuzaburo Akutayama (7 episodes, 2005)
Setsuko Yajima (5 episodes, 2005)
Jiro Okuno (5 episodes, 2005)
Asumi Toda (5 episodes, 2005)
Hiroshi Kawaguchi (5 episodes, 2005)
Shutaro Ain (5 episodes, 2005)
Atsuo Ogata (4 episodes, 2005)
Osamu Dazaifu (4 episodes, 2021)
Yuta Amano (4 episodes, 2021)
Yoshihiro Matsubara (4 episodes, 2021)
Saori Abe (3 episodes, 2005)
Mariko Ogata (3 episodes, 2005)
Saito (3 episodes, 2005)
Miyako Okuno (3 episodes, 2005)
Miki Amano (3 episodes, 2021)
Rie Kiyono (3 episodes, 2021)
Akito Iwasaki (3 episodes, 2021)
Kazuma Kajitani (3 episodes, 2021)
Yuko Iwasaki (3 episodes, 2021)
(2 episodes, 2005)
Self - Narration (2 episodes, 2005)
Miyu Sakuma (2 episodes, 2005)
Okabe (2 episodes, 2005)
Shigeru Kosugi (2 episodes, 2021)
Anna Yuri (2 episodes, 2021)
Komatsugawa (2 episodes, 2021)
Shinpei Hibino (2 episodes, 2021)
Clerk (2 episodes, 2021)
Master (2 episodes, 2021)
(1 episode, 2005)
Kazuhiko Okuno (1 episode, 2005)
Shota Kuriyama (1 episode, 2005)
Mitsue Kobayashi (1 episode, 2005)
Megumi Kosaka (1 episode, 2005)
Keiko Hayase (1 episode, 2021)
Shoko Kosugi (1 episode, 2021)
Sugai (1 episode, 2021)
Keita Yoneyama's Mother (1 episode, 2021)
Hirano (1 episode, 2021)
Harada (1 episode, 2021)
(1 episode, 2021)
Doctor (1 episode, 2021)