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.
Cha Yo-han
Kang Si-young
Kim Won-hee
Son Seok-ki
Tae-kyung
Chae Eun-jung
Kang Yi-soo
Kang Yi-moon
Min Joo-kyung
Jung-nam
Lee Yoo-jun
Kang Mi-rae
Lee Da-hae
Heo Joon
Hong Yun-jin
Na Kyung-ah
Han Myung-oh
Kwon Suk
Lee Won-gil
Yoo-jun's mother
Nurse
Questioner
Flight attendant
Kim Jung-ho
Professor of Anesthesiology and Pain Medicine
Lee Ki-suk
Shim Joon-chul
Lee Ki-suk's mother
Cha Yo-han's father
Young Cha Yo-han
Inmate
Writer
Director
Compositor
Original Story
Theme Song Performance