Karasawa Toshiaki
Zaizen Goro
Papel principal
Eguchi Yosuke
Satomi Shuji
Papel principal

Ishizaka Koji
Dr. Azuma Teizo [Professor and Head of First Surgery Department]
Papel secundario
Ibu Masato
Dr. Ugai Ryoichi [Professor and Head of Internal Medicine Department / Dean, Faculty of Medicine]
Papel secundario
Shinagawa Toru
Dr. Okouichi Seisaku [Professor, Pathology Department]
Papel secundario
Yamada Meikyo
Dr. Imazu Shoji [Professor, Second Surgery Department]
Papel secundario
Yamagami Kenji
Dr. Nosaka Koichiro [Professor, Orthopaedic Surgery Department]
Papel secundario
Watanabe Kenkichi
Dr. Hayama Masao [Professor, Obstetrics and Gynecology Department]
Papel secundario
Taguchi Kazumasa
Dr. Noriuchi Daijiro [Director, Naniwa University Hospital]
Papel secundario
Okuda Tatsuhito
Dr. Kanai Tatsuo [Lecturer, First Surgical Department]
Papel secundario
Ito Hideaki
Dr. Yanagihara Hiroshi [First Surgery Department]
Papel secundario
Sasaki Kuranosuke
Dr. Takeuchi Yuta [Internal Medicine Department]
Papel secundario
Kobayashi Masahiro
Dr. Anzai Shinya [First Surgery Department]
Papel secundario
Nishida Naomi
Kameyama Kimiko [Ward Nurse, First Surgery Department]
Papel secundario
Nakahara Takeo
Funao Satoru
Papel secundario
Sawamura Ikki
Dr. Kikukawa Noboru [Professor, Ishikawa University]
Papel secundario
Nishida Toshiyuki
Dr. Zaizen Matachi [Director, Zaizen Maternity Clinic / Zaizen's father-in-law]
Papel secundario
Wakamura Mayumi
Zaizen Kyoko [Dr. Zaizen's wife]
Papel secundario
Ikeuchi Junko
Kurokawa Kinu [Dr. Zaizen's mother]
Papel secundario
Mizuno Maki
Satomi Michiyo [Dr. Satomi's wife]
Papel secundario
Yada Akiko
Azuma Saeko [Prof. Azuma's daughter]
Papel secundario
Takahata Atsuko
Azuma Masako [Prof. Azuma's wife]
Papel secundario
Nogawa Yumiko
Ugai Norie [Prof. Ugai's wife]
Papel secundario
Kuroki Hitomi
Hanamori Keiko [Owner of Club Aladdin]
Papel secundario
Tayama Ryosei
Sasaki Yohei [Yoshie's husband]
Papel secundario
Katase Rino
Sasaki Yoshie [Plaintiff]
Papel secundario
Kamikawa Takaya
Sekiguchi Hitoshi [Plaintiff's lawyer]
Papel secundario
Oikawa Mitsuhiro
Kunihira Gakumon [Defendant's lawyer]
Papel secundario
Kobayashi Katsuya
[Osaka District Court Judge]
Papel secundario
Sakuraba Hiromichi Papel secundario

Kawai Michiko
Konishi Midori [Cancer patient] (Ep. 1-2)
Invitado
Sasaki Mao
[Konishi Midori's daughter] (Ep. 1-2)
Invitado
Kimura Tae
Hayashida Kanako [Medical Representative] (Ep. 4-6)
Invitado
Obayashi Takeshi
Igarashi [Cancer patient / President of a major construction company] (Ep. 4-5)
Invitado
Umezawa Masayo
Nosaka Nobuko [Dr. Nosaka's wife] (Ep. 8 & 15)
Invitado
Okunuki Kaoru
Hiraizumi Kyoko [Pharmaceutical company employee / Warsaw representative] (Ep. 11)
Invitado
Kumabe Yohei
[Funeral service employee] (Ep. 11-12)
Invitado
Kobayashi Takashika
(Ep. 12-13)
Invitado
Hiraizumi Sei
Dr. Karaki Toyokazu [Professor, Internal Medicine Department, Rakuhoku University Hospital] (Ep. 16)
Invitado
Miura Rieko
Noda Hanako [Dr. Yanagihara's matchmaking partner] (Ep. 17-19)
Invitado
Fujimoto Itaru
(Ep. 18-20)
Invitado