Choo Young-woo in 'The Trauma Code: Heroes on Call.' Photo courtesy of Netflix

Choo Young-woo has charmed K-drama viewers with his role in Netflix’s medical comedy series “The Trauma Code: Heroes On Call.” In the series, Young-woo plays Yang Jae-won, a medical fellow at Hankuk National University Hospital whose life takes a chaotic turn when genius trauma surgeon Baek Kang-hyuk arrives and takes Jae-won under his wing.

Young-woo stood out in “The Trauma Code” for his amusing facial expressions whenever Jae-won is thrust into unpredictable situations, as well as for his undeniable chemistry with his co-star Ju Ji-hoon. 

“The Trauma Code” is just one of several projects where Young-woo takes on a lead role alongside other big names in the K-drama industry, solidifying his rising star power. He also recently appeared in “The Tale of Lady Ok” with award-winning actress Lim Ji-yeon.

Young-woo made his debut in 2021 with the boys’ love series “You Make Me Dance,” where he portrayed a struggling dance student who is hounded by a debt collector. That same year, he jumped into mainstream K-dramas, securing a supporting role in “Police University” and taking on a main role in “School 2021,” part of the popular “School” teen drama franchise.

As we look forward to seeing more of Young-woo, here are some of the 25-year-old actor’s dramas that you can watch online.

Police University (2021)

Also starring: Cha Tae-hyun, Jung Jin-young, Krystal Jung

Stream on: Netflix, Viu

The crime-comedy series “Police University” marks Young-woo's television drama debut. The show revolves around a group of police university students who assist their professor in investigating an illegal gambling operation linked to their school. Young-woo plays Park Min-kyu, a student drawn to his classmate Oh Kang-hee (played by Krystal Jung) while also developing a rivalry with protagonist Kang Seon-ho (Jung Jin-young).

Once Upon a Small Town (2022)    

Also starring: Park Soo-young (Red Velvet’s Joy)

Stream on: Netflix

In this romantic comedy series, Young-woo shines as Han Ji-yul, a veterinarian who moves from Seoul to the countryside. As he struggles to adjust to the rural life, Ji-yul meets policewoman Ahn Ja-young (Park Soo-young), sparking a romantic encounter.

The Tale of Lady Ok (2024)

Also starring: Lim Ji-yeon, Kim Jae-won, Yeonwoo

Stream on: Netflix, Viu

Set in Korea’s Joseon era, “The Tale of Lady Ok” centers on a slave (played by Lim Ji-yeon) who rises to become a legal expert. In this drama, Young-woo takes on the challenge of portraying two characters, both serving as romantic interests to the protagonist: the storyteller Cheon Seung-hwi and nobleman Sung Yoon-gyeom.

The Trauma Code: Heroes on Call (2025)

Also starring: Ju Ji-hoon, Ha Young

Stream on: Netflix

“The Trauma Code” kicked off 2025 with a mix of thrills and laughs as it offered a glimpse into the lives of medical professionals. The eight-part series follows a genius trauma surgeon determined to establish a top-tier trauma center after joining a university hospital. Young-woo plays Yang Jae-won, a doctor who becomes the protégé of the brilliant Baek Kang-hyuk (Ju Ji-hoon), often finding himself overwhelmed by his mentor’s unorthodox methods and attitude.

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