The series revolves around the thoracic surgery department of a hospital.
고수
Park Tae-Soo
엄기준
Choi Seok-Han
서지혜
Yoon Soo-Yeon
정보석
Yoon Hyun-Il
남경읍
Yoon Hyun-Mok
김예원
An Ji-Na
장소연
Kang Eun-Sook
오동민
Moon Seung-Jae
안내상
Koo Hee-Dong
이재원
Nam Woo-Jin
차순배
Lee Joong-Do
Son Kwang-Eop
Son Jae-Myung
