Lee Seung Gyu is a talented South Korean actor who has rapidly ascended from breakout roles in specialized web dramas to major mainstream television success.
He initially captured widespread international attention within the Boys’ Love (BL) genre for his incredibly charming, “green flag” leading performance as programming ace Shin Ki-tae in the hit 2023 romance series Our Dating Sim.
Proving his impressive dramatic versatility, he achieved a massive mainstream breakthrough by portraying the ruthless, “red flag” teenage bully and politician’s son Ryu Jun-hyeong in the global Netflix phenomenon Teach You a Lesson.
| Lee Seung Gyu | |
|---|---|
| Wiki Facts & About Data | |
| Name: | Lee Seung Gyu |
| Born: | July 10, 1999 (age 27 years old) |
| Place of Birth: | Incheon, South Korea |
| Nationality: | South Korean |
| Height: | 1.82m |
| Parents: | Mr. and Mrs. Lee |
| Occupation: | Actor |
| Net Worth: | $800,000 |
Early Life and Education
Lee Seung Gyu was born on July 10, 1999, in Incheon, South Korea. He spent his foundational youth navigating his primary and secondary schooling systems within Incheon under the guidance of his parents, Mr. and Mrs. Lee, while his siblings remain unknown to the general public.
Driven by a deep-seated passion for visual storytelling and performance arts, he moved to Seoul to pursue higher education, enrolling at Soongsil University where he successfully completed his advanced academic studies.
He belongs to the Korean ethnic group and was nurtured within a traditional cultural framework in his native country.
Career
Lee Seung Gyu initiated his professional acting journey in 2021, securing an initial entry point into the visual media landscape by landing the supporting role of Cha Hyun-jin in the youth romance web series User Not Found.
Breaking into the hyper-competitive South Korean entertainment sector required immense patience and technical precision, frequently navigating audition circuits while polishing his subtle micro-expressions.
His localized dedication reaped major breakthrough rewards in 2023 when he was cast in a central starring role as the protective, long-waiting team leader Shin Ki-tae in the romantic drama Our Dating Sim.
This highly popular streaming series and its subsequent film adaptation introduced his natural screen presence to global audiences, comfortably establishing him as a rising star within contemporary streaming spaces.
Following a brief hiatus from the screen, his career trajectory scaled up immensely when he secured a career-defining role in mainstream network production.
He demonstrated a remarkable, shocking dramatic range by shedding his romantic persona to embody the sinister antagonist Ryu Jun-hyeong, a spoiled, violent politician’s son, in the highly acclaimed adaptation thriller series Teach You a Lesson.
The series shot straight to the top of global streaming charts, earning him immense praise for his chilling portrayal of teenage tyranny.
Utilizing his rapidly rising platform for good, he marked his breakout success by making a significant personal donation to the Blue Tree Foundation to support real-world victims of youth bullying.
Through a fearless commitment to tackling polarizing character arcs, he has built an enduring legacy as an inspirational young actor who seamlessly bridges the gap between intimate web romances and high-stakes social thrillers.
Social Media
Lee Seung Gyu does not have a verified social media account.
Personal Life
Lee Seung Gyu came into existence on July 10, 1999, and is 27 years old. He has no spouse or publicly recorded romantic partners, keeping details regarding his past, current, or rumored relationships completely outside of media headlines.
He does not have any children, preferring to lead a highly focused, professional lifestyle in Seoul where he balances his demanding filming schedules with fitness training and supporting youth advocacy programs aimed at preventing school violence throughout South Korea.
Filmography
- 2021: User Not Found (Cha Hyun-jin)
- 2023: Our Dating Sim (Shin Ki-tae / Eddy)
- 2023: Our Dating Sim – The Movie (Shin Ki-tae)
- 2026: Teach You a Lesson (Ryu Jun-hyeong)
Net Worth
Lee Seung Gyu possesses an estimated net worth of $800,000. The primary engine behind his wealth stems from steady acting salaries earned from international streaming series, web drama residuals, and his newly acquired mainstream television contracts.
Additionally, his financial portfolio is reliably supported by independent commercial modeling campaigns, regional streaming royalties, and brand partnerships emerging from his breakout performance on global television networks.