

By Dramabeans
Dr. Frankenstein, Beautiful Mind
Mo Wan-il
Kim Tae-hee
14
60 minutes
KBS2
South Korea
Korean
Source: Wikipedia
No Seung-chan – Team leader of police crime division.
Lee Young-oh Baek Su-ho as teenage Lee Young-oh. Park Ha-joon as kid Lee Young-oh
Gye Jin-sung
Kim-min
Hong Kyung-soo – Fellow in the department of anesthesiology.
Kim Myung-soo – Three term assemblyman and aspiring presidential candidate.
Shin Dong-jae – Director of Hyunsung Hospital. Treats Gye Jin-sung as a daughter.
Secretary.
Nam Ho-young – Male nurse.
Doctor in countryside clinic (Ep. 7).
Yang Sung-eun – Third year resident.
Chae Soon-ho – Assistant Minister for Planning and Coordination, Cardiothoracic Department at Hyunsung Hospital.
Kang Hyun-joon – Director of Hyunsung Hospital Foundation. He comes from a rich family and is ambitious.
Hyun Suk-joo
Shim Eun-ha – Pathologist (cameo, ep. 3–5).
Lee Gun-myung
Kim Yoon-kyung – Doctor in the department of anesthesiology, single mother raising a daughter on her own.
Lee Si-hyun – Third year resident.
Gye Jin-sung's brother.

Wife of glioblastoma patient (Ep. 6).
Teenage Lee Young-oh.
Lee Sang-joon – Patient (cameo, ep. 2 and 9).
Yum Kyun-ho – Cellist with tumor (Ep. 14).
Choi Yo-sub – Choi Sang-hyuk's son (Ep. 10).
Yoo Jang-bae – Doctor in the department of neurology.
Noh Seung-chan.
Jang Moon-kyung – Nurse, pregnant.
Kim Min-jae
Park Soo-bum – Traffic police.
Patient who refused to admit drinking alcohol after surgery (Ep. 9).