Gw mau tau Pemeran dari The Third Hospital

Kim Seung-woo ... Kim Doo-hyun

Oh Ji-ho ... Kim Seung-hyun

Kim Min-jung ... Jin Hye-in

Choi Sooyoung ... Lee Eui-jin

Choi Soo Jin kakak asli Choi Soo Young ... Jeong Eui-Jin

Park Geun-hyung ... Kim Ha-yoon (ayah Doo-hyun dan Seung-hyun)

Im Ha-ryong ... Chae In-gook

Choi Yoon-so ... Jung Seung-hee

Im Hyung-joon ... Min Joo-ahn

Kim Jong-goo ... Yang Hyan-goo

Lee Tae-kyum ... Ahn Hyung-joon

Nam Moon-chul ... Jo Sung-wook

Nam Ji-hyun ... batu perhiasan berukir