An eccentric, triple board-certified virtuoso surgeon leaves a top job in Seoul and ends up at a provincial hospital, where he mentors young doctors.
| Actor | Role |
|---|---|
 Han Suk-kyuTeacher Kim / Bu Yong-ju | Teacher Kim / Bu Yong-ju |
 Lee Sung-kyungCha Eun-jae | Cha Eun-jae |
 Ahn Hyo-seopSeo U-jin | Seo U-jin |
 Jin KyungOh Myeong-sim | Oh Myeong-sim |
 Im Won-heeJang Gi-tae | Jang Gi-tae |
 Byun Woo-minNam Do-il | Nam Do-il |
 Kim Min-jaePark Eun-tak | Park Eun-tak |
 Lee Kyung-youngCha Jin-man | Cha Jin-man |
 Yoon Na-mooJeong In-su | Jeong In-su |
 Kim Ju-hunPark Min-guk | Park Min-guk |
 Shin Dong-wookBae Mun-jeong | Bae Mun-jeong |
 So Joo-yeonYoon A-reum | Yoon A-reum |
 Lee Hong-naeLee Seon-ung | Lee Seon-ung |
 Lee Sin-youngJang Dong-hwa | Jang Dong-hwa |
 Ko Sang-hoYang Ho-jun | Yang Ho-jun |
 Yoon Bo-raJu Young-mi | Ju Young-mi |