Season 1

Kim Kap-soo

Ju Jong-su

Cho Jung-seok

Lee Ik-jun

Yoo Yeon-seok

Ahn Jeong-won

Kim Dae-myung

Yang Seok-hyeong

Jeon Mi-do

Chae Song-hwa

Shin Hyun-been

Jang Gyeo-ul

Ahn Eun-jin

Chu Min-ha

Kwak Sun-young

Lee Ik-sun

Kim Joon

Lee U-ju

Kim Hae-sook

Jeong Rosa

Jung Moon-sung

Do Jae-hak

Kim Hye-in

Myeong Eun-won

Ha Yoon-kyung

Heo Sun-bin

Moon Tae-yu

Yong Seok-min

Choi Young-jun

Bong Kwang-hyeon

Kim Soo-jin

Song Su-bin

Bae Hyeon-seong

Jang Hong-do

Cho Yi-hyun

Jang Yun-bok

Moon Hee-kyung

Jo Young-hye

Cho Seung-yeon

Ju Jeon

Park Han-sol

Sunwoo Hui-su

Yang Jo-a

Hwang Jae-shin

Seo Jin-won

Min Ki-jun

Jeon Kwang-jin

Jong Se-hyeok

Seol Yu-jin

Eun Seon-jin

Kim Ji-seong

Han Seung-ju

Yoon Hye-ree

So Yi-hyun

Lee Ji-won

Han Hyun-hee

Kim Bi-bi

Ham Deok-ju

Lee Dal

Kim Jae-hwan

Lee Noah

Lee Young-ha

Choi Young-woo

Cheon Myeong-tae

Lee Hye-eun

Guk Hae-sung

Hong Seok-bin

Kwon Sun-jeong

Kim Jun-han

Ahn Chi-hong

Shin Do-hyun

Bae Jun-hee

Lee So-yoon

Kim Tae-yeon

Jeong Jae-seong

Chief neurosurgeon

Nam Myung-ryeol

Yang Tae-yang

Jung Kyung-ho

Kim Jun-wan

Lee Ji-hoon

Lee Ji-hun

Kim Kang-min

Im Chang-min