The series revolves around the thoracic surgery department of a hospital.
Go SooPark Tae-Soo
Uhm Ki-joonChoi Seok-Han
Seo Ji-hyeYoon Soo-Yeon
Jung Bo-seokYoon Hyun-Il
Nam Kyung-eupYoon Hyun-Mok
Kim Ye-wonAn Ji-Na
Jang So-yeonKang Eun-Sook
Oh Dong-minMoon Seung-Jae
Ahn Nae-sangKoo Hee-Dong
Lee Jae-wonNam Woo-Jin
Cha Soon-baeLee Joong-Do
Son Kwang-eopSon Jae-Myung
Jo Jae-yunHwang Jin-Chul
Hong Lu-hyeonJung Ji Won
Park Kyung-hyeLee Sun-Yeong
