Queen of Tears star Kim Ji Won is suiting up for her most intense role yet — a brilliant, rule-breaking surgeon in SBS’s upcoming medical thriller Doctor X, landing on Netflix this October.
Mark your calendars, K-drama fans. One of the most anticipated shows of the second half of 2026 has just been confirmed for a global Netflix release — and the cast alone is enough to make this an unmissable autumn watch.
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What Is Doctor X About?
Doctor X is an upcoming internationally licensed South Korean Netflix Original medical thriller directed by Lee Jung Rim. Kye Su Jeong is a genius surgeon who, introduced through a doctor placement agency, is placed at Guseo University Hospital to fill a surgical vacancy. She proves her worth through her surgical skills and exposes absurdities in the medical field, while becoming involved with the hospital director and a junior intern. whats-on-netflix
Think surgical brilliance meets institutional corruption — wrapped in all the tension and heart that the best Korean medical dramas deliver.
Release Date & Format
Doctor X is set to premiere on SBS on October 9, 2026, and will be released on Netflix on the same day as the Korean broadcast. There will be 12 episodes in total, with new episodes dropping weekly on Fridays and Saturdays, each running approximately 70 minutes. whats-on-netflix
Same-day global streaming alongside the Korean broadcast — a gift for international fans who don’t want to wait.
Doctor X Full Cast Breakdown
| Actor | Character | Known For |
|---|---|---|
| Kim Ji Won | Kye Su Jeong | Queen of Tears, My Liberation Notes |
| Lee Jung Eun | Jang Hui Suk | The Trunk, Daily Dose of Sunshine, Our Blues |
| Son Hyun Joo | Bu Seung Gwon | Captivating the King, Itaewon Class |
| Kim Woo Seok | Park Tae Gyeong | The Forbidden Marriage, Military Prosecutor Doberman |
Why This Cast Is a Big Deal?
Kim Ji Won, who plays the lead surgeon Kye Su Jeong, previously starred in the incredibly popular Queen of Tears and has appeared in multiple Netflix dramas including My Liberation Notes, Lovestruck in the City, and Mr. Sunshine. She is one of the most beloved actresses in the K-drama world right now, and seeing her lead a high-stakes medical thriller is genuinely exciting.
Lee Jung Eun, playing the placement agency head Jang Hui Suk, is one of the most prolific actresses on Netflix, having starred in Heavenly Ever After, Miss Night and Day, Daily Dose of Sunshine, and Our Blues, among many others.
Kim Woo Seok, cast as intern Park Tae Gyeong, has yet to star in a Netflix series — making Doctor X his global streaming debut, with fans of The Forbidden Marriage and Military Prosecutor Doberman eagerly anticipating his next chapter. whats-on-netflix
For all the latest K-drama premiere announcements and Netflix updates, head to TechnoSports and stay ahead of the watch list.
FAQs
Q: When does Doctor X premiere on Netflix?
Doctor X premieres globally on Netflix on October 9, 2026, simultaneously with its SBS broadcast in South Korea. New episodes will air weekly on Fridays and Saturdays, with 12 episodes in total.
Q: Who is the lead actress in Doctor X on Netflix?
Kim Ji Won leads the drama as Kye Su Jeong, a genius surgeon placed at a major university hospital. She is best known internationally for her breakout performance in Queen of Tears on Netflix.
