The Trauma Code Confirms Seasons 2 and 3: Returning Cast, Webtoon Source and What’s Next

Netflix confirmed two additional seasons at once

Netflix announced on October 19 that The Trauma Code: Heroes on Call will continue with Seasons 2 and 3. Its first season arrived in 2025. Soompi also reports the simultaneous production confirmation. The announcement does not set a premiere date, episode count or filming calendar for either season.

The stated story direction is a stronger trauma team facing more desperate emergencies. Surgeon Baek Kang-hyuk will try to expand and stabilize the hospital’s trauma system. That goal connects the returning clinicians to the hospital around them: treatment depends on the staff and facilities being able to function together. Netflix gives a broad continuation of the premise, without identifying particular new cases or revealing either season’s ending.

The core trauma team is returning

Ju Ji-hoon returns as Baek Kang-hyuk, the surgeon Netflix describes as relentless about saving patients. Choo Young-woo reprises Yang Jae-won, Kang-hyuk’s first protégé. Yoon Kyung-ho is back as Han Yu-rim, now described as a trusted partner and the chief of planning and coordination at Hankuk National University Hospital. Jeong Jae-kwang returns as anesthesiologist Park Gyeong-won.

Jeong Ye-in joins the cast as nurse Cheon Jang-mi after an audition. This is a new performer in an existing role: Soompi says she will take over after Ha Young’s departure. Netflix’s first-season catalogue still names Ha Young among its stars, while its new production announcement names Jeong. A viewer catching up with the original episodes should therefore expect a casting change when the continuation arrives, rather than assume the nurse is a newly invented character.

A separate Soompi report dated September1 records Netflix confirming that Ha Young would not participate in the follow-up and that it respected her decision. The current cast notice identifies the replacement. Neither item supplies a story explanation for how the role will be presented on screen, so a production change should not be turned into an invented character exit or new plot.

Lee Do-yun remains at the center of the creative team

Netflix says Lee Do-yun will direct the coming series and write its scripts. Soompi gives a more specific season split: Season 2 will be written and directed by Lee, while Season 3 will also be directed by him, with writer Tomasi joining on the script. That distinction helps separate the announced direction of the two seasons from the broader statement that the creative team is returning.

Netflix lists Studio N and Mays Entertainment as the Season 2 production companies; the announcement does not separately identify the Season 3 company arrangement. The screen credits should be read separately from the source-comic credits: a television writer determines the adapted script, while the named comic creators are credited for the work from which the series draws.

The source webtoon has its own split creative credit. WEBTOON identifies Hansanleega as the original writer and Hongbichira as the adapter; Hongbichira describes the collaboration as pairing a medical illustrator with a medical doctor who writes web novels. That background belongs to the source comic. It is distinct from Lee Do-yun’s screenwriting and directing credits for the Netflix seasons.

There is a further distinction on the existing Netflix catalogue page: it lists Lee Do-yun and Choi Tae-gang as creators. That label describes the released show. The October production notice and Soompi’s season-by-season report describe the upcoming scripts and direction. Looking at the credit label and which season it accompanies is more useful than assuming every name on the old page has the same future assignment.

The first season established an eight-episode trauma-unit story

Netflix’s catalogue lists the original season as an eight-episode Korean medical drama released in 2025. Its synopsis follows a war-seasoned doctor arriving at Hankuk National University Hospital to rebuild a struggling trauma unit. The episode summaries include a helicopter rescue, a multi-car collision, budget pressure and a malpractice investigation, showing how emergency cases and workplace conflict shared the first-season story.

Netflix reports that Season 1 entered its Top 10 lists in 63 countries and reached number one in 18 during2025. These are the company’s platform-reported rankings, not independently measured audience totals. A country ranking tells a reader where the show placed within that service; it does not reveal how many people finished the series or how the next seasons will perform.

For catch-up planning, the catalogue’s eight episode lengths range from 47 to 55 minutes and total 411 minutes, or 6 hours and 51 minutes. The page also offers offline viewing and lists Korean original audio, English audio, and both simplified and traditional Chinese subtitles among its options. These are the options shown on the checked Season 1 page; the later seasons do not yet have corresponding episode or language listings there.

The completed comic offers a separate reading route

Readers who want the source comic can find it on WEBTOON as Trauma Center: Golden Hour, with The Trauma Code shown beneath the title. The English series page is marked completed. Its latest listing includes an epilogue and a nine-part spin-off sequence, with the finale and epilogue dated August 8,2026. This is the status of the comic publication, which can already be read independently of the television production calendar.

The official comic viewer’s chapter menu begins with Divine Hands and later marks chapter 64 as its first-season finale. It then starts a separately numbered second season with New York and ends that run at a chapter labeled Season 2 Finale before the spin-offs. Those are the comic’s own divisions. They provide a reading route, but cannot establish which chapters Netflix will adapt in either newly announced screen season.

The English comic page labels its readership Young Adult,16+, while the checked Netflix catalogue displays TV-MA for the released drama. These labels come from different publications and classification systems. Someone choosing between reading and watching can check the label on the version they intend to use; the comic’s age label does not automatically describe the screen adaptation.

Production is confirmed, but release details are still pending

Netflix says the returning series will remain exclusive to its service. A production confirmation establishes that the continuation is being made; it does not establish when subscribers can play a new episode. The earlier eight-episode listing and catch-up time belong to the original season. They should not be used to estimate the length of either new production.

The different credits also answer different questions for a returning viewer. The cast notice identifies who will perform the roles; the season-specific writing report identifies who is shaping each script; the catalogue remains the route to the existing television episodes. A future season listing will be the relevant place to check the final episode lineup when Netflix publishes it.