About Yang Se-jong
Born 1992. Yang Se-jong is a South Korean actor, model, television actor, film actor and stage actor.
Yang Se-jong (; born December 23, 1992) is a South Korean actor and model. Yang had his breakthrough role as a young chef in the 2017 romance drama Temperature of Love which won him several Best New Actor awards. His other works included the television series Dr. Romantic, Saimdang, Memoir of Colors (2017), Duel (2017), Still 17 (2018), My Country: The New Age (2019), Doona! (2023) and Low Life (2025).
Early life and education Yang was born on December 23, 1992, in Anyang, Gyeonggi. In his first two years of high school, Yang worked at a book and DVD rental store as a part-time job. While in his second year of high school, Yang began to dream of becoming an actor after watching school plays with his friends. Before choosing acting as his career, Yang participated in taekwondo competitions and received a scholarship from the Samsung Foundation to attend a sports university which he turned down to focus on acting lesson. He worked as a fashion model in 2011 for a short period. In 2012, Yang enrolled in Korea National University of Arts, majoring in theater and film.
Career After a month of finishing filming for Saimdang, Memoir of Colors, Yang auditioned for Dr. Romantic and got cast in the hit medical drama, which marked his acting debut. He attracted attention after playing the role of Yoo Yeon-seok's rival. In January 2017, Yang played the roles of young Song Seung-heon and Lee Young-ae's assistant in SBS's historical drama Saimdang, Memoir of Colors. The same year, he starred in OCN's sci-fi thriller Duel, gaining praise for his portrayal of three different characters. He then starred in the romance series Temperature of Love by Ha Myung-hee, which won him the Best New Actor award at the SBS Drama Awards, 54th Baeksang Arts Awards and the 6th APAN Star Awards. Following his acting roles, Yang experienced a rise in popularity and was labeled "monster rookie" by the press. Yang was included in the 2017 Forbes Korea 2030 Power Leaders List placing fourth for his outstanding performance starring in four dramas in the first year of his acting career.
In 2018, Yang was cast in the romance comedy drama Still 17, playing the role of a stage designer who suffers a trauma at the age of seventeen. Yang won the Excellence Award at the SBS Drama Awards for his performance. In the same year, he starred in the historical action drama My Country: The New Age. In 2020, Yang's old agency contract expired during his military service. In 2021, Yang signed with new agency Blossom Entertainment. In 2022, Yang was confirmed to star in Netflix original drama Doona! (2023) and it became his comeback project after mandatory military service. In 2023, Yang moved to a newly established agency following the conclusion of his contract with Blossom Entertainment.
Personal life Military service On May 12, 2020, Yang enlisted for his mandatory military service at the 27th Division in Hwacheon, Gangwon Province. On November 1, 2021, it was reported that Yang would be discharged from mandatory military service on November 15, 2021, without returning to the unit after his last vacation in accordance with the Ministry of Defense guidelines for preventing the spread of COVID-19.
Filmography
Film Year Title Role Notes 2013 The Voice From Inside Short film Things We Don't Know 2025Run to the WestJae-beom
Television series Year Title Role Notes 2016–2020 Dr. Romantic Do In-beom Season 1–2; (Cameo, episode 15) 2017 Saimdang, Memoir of Colors young Lee Gyum / Han Sang-hyun
Web series
Television show Year Title Role Notes 2019 Coffee Friends Cast member with Son Ho-jun Yoo Yeon-seok and Choi Ji-woo
Theater Year Title Role Notes 2014 Time to go to school, Alice Seoul Fringe Festival
Awards and nominations + Name of the award ceremony, year presented, category, nominee of the award, and the result of the nomination Award ceremony Year Category Nominee / Work Result APAN Star Awards 2023 Excellence Award, Actor in a MiniseriesDoona! 2018 Best New ActorTemperature of Love K-Star Award Asia Artist Awards 2020 Popularity Award (Actor) Yang Se-jong Baeksang Arts Awards 2018 Best New Actor – Television Temperature of Love Director's Cut Awards 2026 Best Actor in a Series Low Life Korea First Brand Awards 2024 Best Actor (OTT) Doona! SBS Drama Awards 2017 Best New Actor Temperature of Love Best Couple Award Yang Se-jong (with Seo Hyun-jin)Temperature of Love 2018 Excellence Award, Actor in a Monday-Tuesday Drama Still 17 Best Couple Award Yang Se-jong (with Shin Hye-sun)Still 17 Soompi Awards 2018 Breakout Actor Award Temperature of Love The Seoul Awards 2017 Best New Actor (Drama) Saimdang, Memoir of Colors
Listicles + Name of publisher, year listed, name of listicle, and placement Publisher Year Listicle Placement Forbes 2018 30 Under 30 Asia Placed
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Important facts
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Frequently asked questions
Who is Yang Se-jong?
South Korean actor
When was Yang Se-jong born?
Yang Se-jong was born on 23 December 1992 in Seoul, Seongbuk District.
What is Yang Se-jong's occupation?
Yang Se-jong is an actor, model, television actor, film actor and stage actor.
What nationality is Yang Se-jong?
Yang Se-jong is South Korean.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Yang Se-jong. https://biography.guide/yang-se-jong/
MLA: "Yang Se-jong." Biography.guide, https://biography.guide/yang-se-jong/.
Chicago: "Yang Se-jong." Biography.guide. https://biography.guide/yang-se-jong/.
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