Ctrl + Q
Cha Yo-Han—an arrogant but genius doctor of anesthesiology—and Kang Shi-Young—a smart, warm resident of anesthesiology—work together to help people with mysterious cases of acute or chronic pain.
Hwang Hee
Lee Yoo-jun
Moon Hak-jin
Kim Jung Ho [3rd-year Resident Ophthalmology]
Noreen Joyce Guerra
Flight attendant
Kim Mi-hye
Questioner
Park Jin-young
Nurse
Park Si-wan
Cha Yo Han (child)
Jung Ji-hoon
Min Sung [Yoo Ri Hye's son]
Lee Yo-seong
Cha Yo Han's father
고용화
Lee Ki Suk's mother
Lim Dong-jin
Shim Joon Chul
Jung Kyung-soon
Yoo Joon's mother
Uhm Hyo-seop
Kang Yi-Moon
Jeon No-min
Kang Yi-Soo
Shin Dong-mi
Chae Eun-Jung
Kim Hye-eun
Tae-Kyung
Lee Kyoo-hyung
Son Seok-Ki
Yoon Chan-young
Lee Ki Suk (A CIPA patient)
Lee Se-young
Kang Shi-Young
Ji Sung
Cha Yo-Han
Kim Seung-hyun
Inmate
Jeong In-gi
Jung-Nam
Oh Seung-hyun
Min Joo-Kyung
Oh Yoo-na
Yoo Ri Hye [former actress who suffers from neuroblastoma]
Jang Hee-soo
Professor of Anesthesiology and Pain Medicine
Yun Ju-Sang
Lee Won Gil [Former Minister of Health and Welfare]
Oh Hyun-Joong
Kim Won Hee
Jeong Jae-seong
Kwon Suk
Kim Yeong-hoon
Han Myung Oh
Lee You-mi
Na Kyung Ah
Son San
Hong Yun Jin
Kwon Hwa-woon
Heo Joon
Chun Young-min
Lee Da-hae
Jung Min-ah
Kang Mi-Rae
