By Dramabeans
Doctor Cha Jeong-suk
Kim Dae-jin, Kim Jung-wook
Jung Yeo-rang
16
JTBC
South Korea
Korean
Source: Wikipedia
Oh Deok-rye: Jeong-suk's mother who works as a caregiver in a geriatric hospital.
Cha Jeong-seok: a full-time housewife of twenty years who decides to return to her medical career after surviving an unexpected crisis. Park Joo-won as young Cha Jeong-seok
Hwang Seong-gyu: a patient who has Crohn's disease.
Yoon Tae-sik: the chief of surgery department.
Park Ho-won
Min Chae-yoon: an intern in the family medicine department.
Jeon So-ra: Jung-min's girlfriend who is a third-year surgical resident.
Yoo Ji-seon: a single mother.
Seo In-ho: the perfectionist husband of Jeong-suk and the chief surgeon at a university hospital, who has an affair with his first love Seung-hee, and is the father of her illegitimate daughter who is the same age as his daughter. Park Tae-in as young Seo In-ho
Baek Mi-hee: Jeong-suk's friend who is a dermatologist.
Kwak Ae-sim: In-ho's mother and Jeong-suk's mother-in-law.
Choi Seung-hee: In-ho's first love who is a family medicine professor and is mother to In-Ho's illegitimate daughter. Moon Ye-jin as young Choi Seung-hee
Roy Kim: a charismatic surgeon who gets entangled with Jeong-suk. He was adopted by American parents and tries to find his biological family by registering his DNA
Seo Jung-min: Jeong-suk and In-ho's son who is a first-year surgical resident.