Episode 4

Doctor X: Mafia in White

S01E04
E4
October 17, 2026 ★ 7.0 61 min

Overview

After a new surgeon arrives at the hospital, Jang Hui-suk and Su-jeong keep a close eye on him. Meanwhile, a pharmaceutical rep suffers an emergency.

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Kim Ji-won

Kim Ji-won

Gye Su-jeong
Lee Jung-eun

Lee Jung-eun

Jeong Hee-sook
Son Hyun-joo

Son Hyun-joo

Bu Seung-gwon
Kim Woo-seok

Kim Woo-seok

Park Tae-gyeong
Lee Jin-hee

Lee Jin-hee

Jo Won-jin
Kim Young-min

Kim Young-min

Do Yoon-sik
Lee Sung-wook

Lee Sung-wook

Bae Heung-gon
Kwon Seung-woo

Kwon Seung-woo

Ma Seong-gyoo
Heo Joon-seok

Heo Joon-seok

Kim Seong-jin
Kim Young-ah

Kim Young-ah

Lee Seon-ae
Choi Deok-moon

Choi Deok-moon

Yang Eung-goo
Kim Jung-young

Kim Jung-young

Yoo Mi-kyeong

Guest Stars

Moon Chang-jun

Moon Chang-jun

Kwon Chung-hyeon
Shin Hye-kyung

Shin Hye-kyung

Yeo Jeong-sun

소규섭

Cho Guk-jin
Kim Do-young

Kim Do-young

Mun Yeong-jong
Go Byeong-taek

Go Byeong-taek

Patient
Oh Jung-taek

Oh Jung-taek

Emergency Responder