"The series revolves around the thoracic surgery department of a hospital."
Go Soo
as Park Tae-Soo
Uhm Ki-joon
as Choi Seok-Han
Seo Ji-hye
as Yoon Soo-Yeon
Jung Bo-seog
as Yoon Hyun-Il
Nam Kyung-eup
as Yoon Hyun-Mok
Kim Ye-won
as An Ji-Na
Jang So-yeon
as Kang Eun-Sook
Oh Dong-min
as Moon Seung-Jae
Ahn Nae-sang
as Koo Hee-Dong
Lee Jae-won
as Nam Woo-Jin
Cha Soon-bae
as Lee Joong-Do
Son Kwang-Eop
as Son Jae-Myung
Jo Jae-yun
as Hwang Jin-Chul
Hong Lu-hyeon
as Jung Ji Won
Park Kyung-hye
as Lee Sun-Yeong
Jo Young-kwang
Director
Jung Dong-yoon
