Full cast of Doctor John
Oh Seung-hyun
Min Joo-Kyung
16 episodes
Jung Min-ah
Kang Mi-Rae
16 episodes
Chun Young-min
Lee Da-hae
16 episodes
Son San
Hong Yun Jin
16 episodes
Kim Yeong-hun
Han Myung Oh
16 episodes
Jeong Jae-seong
Kwon Suk
16 episodes
Yun Ju-sang
Lee Won Gil
16 episodes
Jung Kyung-soon
Yoo Joon's mother
16 episodes
Park Jin-young
Nurse
16 episodes
Kim Mi-hye
Questioner
16 episodes
Noreen Joyce Guerra
Flight attendant
16 episodes
Moon Hak-jin
Kim Jung Ho [3rd-year Resident Ophthalmology]
16 episodes
Jang Hee-soo
Professor of Anesthesiology and Pain Medicine
16 episodes
Lim Dong-jin
Shim Joon Chul
16 episodes
Go Yong-hwa
Lee Ki Suk's mother
16 episodes
Lee Yo-seong
Cha Yo Han's father
16 episodes
Park Si-wan
Cha Yo Han (child)
16 episodes
Kim Seung-hyun
Inmate
16 episodes
Son Hee-soon
Woman at the intensive care unit
1 episode
최은후
Joo Hyung Woo's son
1 episode
Cho Si-yeon
Joo Hyung Woo’s daughter
1 episode
Park Jung-eon
Chae Eun Jung's older sister
1 episode
Im Byeong-gi
‘Death talk’ discussion leader
1 episode