Heroes on Call’ Season 2

With Trauma Code: Heroes on Call returning for its second and third seasons, fans are excited for production to get underway in October 2026. Some major casting news recently confirmed that Ha Young has departed the series and will be replaced by actress and K-pop idol Yein. Here’s everything we know about the upcoming second season of Trauma Code: Heroes on Call.

The Trauma Code: Heroes on Call is a South Korean Netflix Original drama series and an adaptation of the webtoon Severe Trauma Center: Golden Hour by Lee Nak Jun. The series is directed by Lee Do Yoon (Confession) and written by So Hyun Kyung (Two Weeks) and Choi Tae Kang (Adamas). The series is produced by Studio N. 

The series was one of the best-performing K-dramas on Netflix in 2025. The series spent 5 weeks in Netflix’s global TV top ten, including a week at number one, amassing 184.5 million hours viewed and 26.6 million completed views. According to the 2025 engagement reports, The Trauma Code: Heroes on Call had 39.6 million completed views.

Has Netflix renewed Trauma Code: Heroes on Call?

Official Renewal Status: Renewed (Last Updated: 22/06/2026)

The last we heard in September 2025 was that Trauma Code: Heroes on Call had been renewed for a second and third season. At the time, a Netflix spokesperson said the streaming service was reviewing the production, but nothing had been confirmed.

It has been a long time since any further updates, but on June 22, 2026, it was reported that Netflix has renewed Trauma Code: Heroes on Call for a second and third season, confirming the production schedule and episode count.

What is the production status of Trauma Code: Heroes on Call season 2?

Production for the second season of Trauma Code: Heroes on Call is reportedly set to begin in October 2026. At the time of writing, the scripts for 4 episodes have been completed.

Which cast members will return for Trauma Code: Heroes on Call season 2?

The main cast from Trauma Code: Heroes on Call are set to reprise their roles:

• Ju Ji Hoon (Kingdom) as Baek Gang Hyeok.
• Choo Young Woo (Mercy for None) as Yang Jae Won.
• Yoon Kyung Ho (Vigilante) as Han Yu Rim.
• Jung Jae Kwang (Connection) as Park Gyeong Won.

We’d also expect the supporting cast members to return:

• Kim Eui Sung as Choi Joi Eun.
• Kim Won Hae as Hong Jae Hun.
• Kim Sun Young as Kang Myeong Hui.
• Jang Sung Yoon as Kim Seong Yun.
• Hong Woo Jin as Ah Jung Heon.
• Kim Yun Jeong as Hong Yun Jeong.
• Bang Yoo In as Nurse Bang.
• Kim Choong Gil as Hwang Seon U
• Kim Byung Chul as Im Min Ho.
• Lee Jeong In as Ju Hyeong Uk.

New cast members for season 2

It has been reported that actress Jung Ye In, also known as “Yein,” will replace Ha Young as Cheon Jang Mi, who has left the series after a recent controversy over allegations of her family’s pro-Japanese ties. This will be Jung Ye In’s first role in a Netflix project, having previously led K-dramas such as His 215cm Love Barrier, My Friend’s Graduation Ceremony, and The Blue Sea. However, she is best known for her career as a K-Pop idol in the group LOVELYZ.

Picture: Yein in His 215cm Love Barrier (left) and My Friend’s Graduation Ceremony (right)

What is the episode count of season 2?

There will be 8 episodes in the second season.

When can we expect to see season 2 of Trauma Code: Heroes on Call on Netflix?

With production starting in October 2026, the earliest we could possibly see the series on Netflix would be in late 2027. However, we think it’s more realistic that the series will be released in early 2028.

Would you like to see more of Trauma Code: Heroes on Call on Netflix? Let us know in the comments below!