Dr. Romantic — Characters & Cast

To save lives indiscriminately and nurture genuine doctors who put human dignity above all else.

Begins Season 1 as a mysterious, brusque hermit surgeon carrying the trauma of lost proteges. Over three seasons, he transitions from an isolated miracle worker into an institutional patriarch who builds a sustainable system and steps back to let his trained proteges lead.

Evolves from sheer financial survival to protecting Doldam Hospital and honoring Master Kim's philosophy.

Introduced in Season 2 as a loan-shark-oppressed, whistleblowing surgeon who views medicine strictly as a transactional paycheck. Through Master Kim’s guidance, he overcomes severe survival trauma, learns to trust colleagues, and evolves into Doldam's core general surgeon and a compassionate mentor in Season 3.

Evolves from seeking parental approval to discovering her personal passion for saving lives.

Arrives in Season 2 suffering from crippling nauseous panic attacks whenever entering the operating room, driven solely by family pressure. Under Master Kim's customized therapy and support, she overcomes her anxiety, masters cardiothoracic surgery, defies her corrupt family, and becomes a pillar of the Trauma Center.

Shifts from personal status and vengeance to achieving operational excellence in emergency healthcare.

The primary protagonist of Season 1, he begins as an arrogant, bitter surgeon obsessed with social climbing to avenge his father's medical neglect. After being humbled at Doldam, he embraces Master Kim’s ideals. He returns in Season 3 as acting head of the Trauma Center, employing strict operational discipline to realize Doldam’s systemic vision.

To maintain the sacred integrity of the Doldam emergency room.

Present across all three seasons, Eun-tak transitions from a troubled youth with a dark past into Doldam’s most reliable ER nurse. He serves as the steady emotional glue of the emergency room, anchoring new doctors and pursuing his own romantic and professional maturity.