Doctor Slump — Characters & Cast

Initially driven by a desperate need to fulfill family expectations through perfect achievement; evolves into seeking internal happiness and standing up against workplace injustice.

Begins as an emotionally repressed, exhausted workaholic diagnosed with clinical depression. Over 16 episodes, she learns to express emotions, accept rest without guilt, set strict boundaries, and rebuild her career on her own terms.

Wants to regain control over his life, clear his ruined reputation, and protect those he loves.

Shifts from an overly composed, famous plastic surgeon hiding deep childhood loneliness into a vulnerable, empathetic individual facing surgical PTSD. He heals through love and psychiatric support, eventually opening a modest clinic focused on patient care over fame.

Strives to prove his plastic surgery clinic's worth while raising his teenage daughter as a single father.

Starts as a jealous rival of Jeong-woo with a quirky YouTube channel, but reveals himself to be a deeply supportive friend who offers Jeong-woo a job post-scandal and finds late-blooming love with Hong-ran.

Raising her young son as a single mother while excelling as an OB/GYN anesthesiologist and supporting Ha-neul.

Serves as Ha-neul’s fiercely protective sounding board, overcoming her own anxieties about single parenthood as she opens her heart to Bin Dae-young.

Bitter resentment toward Jeong-woo’s wealthy, condescending mother and ambition for medical advancement.

Initially presented as Jeong-woo’s revered senior and tutor, he is revealed to be complicit in the Macau medical framing incident and pharmaceutical corruption. His tragic arc concludes in a car crash where he dies after offering a final deathbed confession.