Hospital Playlist — Characters & Cast

To bring light, humor, and top-tier medical care to everyone around him while raising his beloved son, U-ju.

In Season 1, Ik-jun is a brilliant General Surgery professor and single father coping with a sudden divorce while maintaining an upbeat persona. Over two seasons, he evolves from suppressing his own loneliness to acknowledging his emotional needs, ultimately embracing courage in romance by confessing his long-held feelings for Song-hwa.

To save lives in high-risk brain surgeries, guide her residents with warmth, and maintain equilibrium in her personal life.

Considered the rock and emotional anchor of the group, Song-hwa is a master neurosurgeon who initially prioritizes work and others over herself. Across both seasons, she learns to pace herself, handle her own health scares, and allow herself to be vulnerable in love, transitioning from guarded friendship to opening her heart to Ik-jun.

To alleviate the suffering of pediatric patients and secretly fund medical care for underprivileged patients through his Daddy-Long-Legs foundation.

A pediatric surgeon who cries for every suffering child, Jeong-won spends Season 1 torn between his medical calling and a desire to enter the Catholic priesthood. Through his growing bond with resident Jang Gyeo-ul and his deep love for his young patients, he realizes in Season 2 that his true divine calling is healing children in the hospital alongside the woman he loves.

To perform flawless heart surgeries and protect those he cares about behind a prickly exterior.

Initially appearing as a stern, demanding, and blunt Cardiothoracic Surgery associate professor, Jun-wan hides a deeply affectionate heart. Across the show’s run, he learns to navigate a long-distance relationship filled with insecurity and vulnerability with Ik-jun’s sister, Ik-sun, maturing into a softer mentor for his residents and a more open partner.

To protect his mother, provide compassionate maternal-fetal care, and lead a quiet, burden-free life.

Traumatized by family tragedy, a toxic father, and a failed past marriage, Seok-hyeong starts as a total introvert who prefers solitude. Through the persistent warmth of resident Chu Min-ha and the encouragement of his four best friends, Seok-hyeong breaks out of his shell, overcomes his fear of commitment, and allows himself to seek true happiness.