LOVELYZ's Ye-in Jeong Joins 'The Trauma Code: Heroes on Call' for Seasons 2 and 3
Ye-in Jeong will play nurse Jang-mi Cheon in the second and third seasons, replacing Ha-young, with both seasons now in production for Netflix.
Ye-in Jeong of the K-pop group LOVELYZ will join the cast of The Trauma Code: Heroes on Call for its second and third seasons, according to a Monday report by Variety. She will play the nurse Jang-mi Cheon, taking over the role from Ha-young.
Ha-young left the series following controversy over allegations that her great-grandfather collaborated with Japanese colonial authorities.
Several original cast members are set to return. Ji-Hoon Ju will reprise his role as surgeon Kang-hyuk Baek, alongside Young-woo Choo as Jae-won Yang, Kyung-ho Yoon as Yu-rim Han and Jae-kwang Jeong as anesthesiologist Gyeong-won Park. Do-yun Lee also returns as director and screenwriter for both seasons.
Both seasons are currently in production and will stream exclusively on Netflix, though the platform has not yet announced premiere dates.
Background
The eight-episode first season of The Trauma Code: Heroes on Call debuted worldwide in January 2025 and became a breakout hit, topping Netflix's global non-English TV show rankings. The series is based on the web novel Trauma Center: Golden Hour by Han Sani. The English version of the webtoon adaptation recently ended with an epilogue chapter on August 9.
Quick answers
Who is joining The Trauma Code: Heroes on Call?
Ye-in Jeong of LOVELYZ will join the cast as nurse Jang-mi Cheon for the second and third seasons.
When will The Trauma Code: Heroes on Call seasons 2 and 3 premiere on Netflix?
Netflix has not announced premiere dates for the second and third seasons, which are currently in production.
Why did Ha-young leave The Trauma Code: Heroes on Call?
Ha-young left the series after controversy over allegations that her great-grandfather collaborated with Japanese colonial authorities.