Doctor X: Mafia in White () is an upcoming South Korean medical noir television series written by Pyeon Seong-geun, directed by Lee Jung-rim, and starring Kim Ji-won, Lee Jung-eun, Son Hyun-joo, and Kim Woo-seok. Based on TV Asahi's Doctor-X: Surgeon Michiko Daimon, the series depicts a surgeon who proves her worth purely through her skill, as she operates on corrupt organizations riddled with injustice. It is scheduled to premiere on SBS TV on October 9, 2026, and will air every Friday and Saturday at 21:50 (KST). It will also be available for streaming on Netflix.
Premise Gye Su-jeong is a surgeon who establishes her value through her surgical abilities in a world where corruption and bureaucracy rule the medical system. Often referred to as the "mad dog of the operating room", she takes on seemingly insurmountable cases and reveals the corruption at the esteemed Gu Seo University Hospital.
Cast and characters Main Kim Ji-won as Gye Su-jeong A top-tier surgeon from the Jang Hee-sook physician-for-hire agency, dispatched to fill a surgical vacancy at Gu Seo University Hospital. Known as the "mad dog of the operating room", she demonstrates her skill to challenge the corrupt medical hierarchy. Lee Jung-eun as Jang Hee-sook Head of the Jang Hee-sook physician-for-hire agency. While she may appear flashy and talkative, she is clever and she strategically leverages her public image for her business. Son Hyun-joo as Bu Seung-kwon Director of Gu Seo University Hospital who tries to rebuild the failing hospital. Kim Woo-seok as Park Tae-kyung A privileged intern whose hospital life becomes complicated after meeting Su-jeong.
Supporting Lee Sung-wook as Bae Heung-gon A surgical specialist at Gu Seo University Hospital. Lee Jin-hee as Jo Won-jin A professor of anesthesiology at Gu Seo University Hospital.
Special appearance Jang Seung-jo
Production Development The series is based on TV Asahi's Doctor-X: Surgeon Michiko Daimon series (2012–2021), produced by Studio Dragon, Studio S, and HighZium Studio, directed by Lee Jung-rim, who helmed VIP (2019), Revenant (2023), and As You Stood By (2025), and written by Pyeon Seong-geun.
Casting In February 2025, Kim Ji-won was reportedly cast to lead the series. The following seven months, Lee Jung-eun, Kim Woo-seok, and Son Hyun-joo were reportedly cast as the other lead actors. In November 2025, the four actors confirmed their appearances.
Filming Principal photography began on December 4, 2025.
Release Doctor X: Mafia in White was scheduled to air on SBS TV's Friday and Saturday timeslot in 2026. The series' first teaser was unveiled at the 2025 SBS Drama Awards and confirmed for an October release. By August 2026, the series was confirmed to premiere on October 9, airing at 21:50 (KST). It will also be available for streaming on Netflix.
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