

By Dramabeans
Live Up to Your Name, Dr. Heo, Deserving of the Name
Hong Jong-chan
Kim Eun-hee
16
70 minutes
tvN
South Korea
Korean
Source: Wikipedia
Professor Hwang, her teacher and superior at the hospital.
Choi Chun-Sool, a renowned acupuncturist who owns the Haeminseo Oriental Medicine Clinic and is Yeon-kyung's grandfather.
Gisaeng

Yoo Chan-sung
Restaurant owner (ep. #4)
Dong Mak-Gae, Heo Im's loyal assistant who has dreams of becoming a doctor just like her boss.
Kim Min-jae
Oh Ha-ra, a young girl with heart problems whose life is saved by Heo Im.
Yoo Jae-ha, a young doctor of oriental medicine who is Yeon-kyung's childhood friend and Sung-tae's grandson/ Yoo Jin-oh (Joseon), a nobleman from the Joseon Dynasty who has a beef with Heo Im.
Oh Ha-ra's father
Choi Yeon-kyung, a female surgeon who goes clubbing after work to relieve stress.
Yeon-i, a sick girl and one of Heo Im's patients during the Joseon Dynasty.
Heo Im (Child: Moon woo-jin)/ Heo Bong-tak, an acupuncturist who time travels to Seoul 400 years later when he was about to drown.
Yeon-i's father, the father of Yeon-i (one of Heo Im's patients)
Ma Sung-tae, a renowned but greedy doctor who is the director of a renowned Eastern medicine hospital in Seoul. He is also the grandfather of Yoo Jae-Ha (Yeon-kyung's childhood friend).
Heo Jun's assistant
Heo Jun, a legendary physician from the Joseon period who was active during the reigns of King Seonjo and King Gwanghae.
Doo-chil, one of the servants of the corrupt Minister of War of Joseon.
Shin Myung-hoon, the director of the hospital where Yeon-kyung works and consequently her boss/ Minister of War (Joseon), an unnamed corrupt war minister of the Joseon dynasty during the Imjin War.