Kwak Si-yang Biography: Net Worth, Parents, Movies, TV Shows, Age, Height, Girlfriend, Real Name, Instagram
Kwak Myeong-jin, professionally known as Kwak Si-yang, is a South Korean actor, model, and singer.
He began his entertainment career after completing military service, moving from modeling into acting in 2014.
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He has since appeared in television dramas, films, variety programs, and the project group ONE O ONE, earning recognition for roles in Oh My Ghost, Second to Last Love, Chicago Typewriter, Alice, Lovers of the Red Sky, Café Minamdang, and My Dearest Nemesis.
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| Wiki Facts & About Data | |
| Real Name: | Kwak Myeong-jin |
| Stage Name: | Kwak Si-yang |
| Born: | January 15, 1987 (age 39 years old) |
| Place of Birth: | Seoul, South Korea |
| Nationality: | South Korean |
| Ethnicity: | Korean |
| Height: | 187 cm |
| Religion: | Buddhism |
| Parents: | Mr. and Mrs. Kwak |
| Siblings: | 4 |
| Occupation: | Actor, Model, Singer |
| Net Worth: | $3 million |
Early life and education
Kwak Si-yang was born on January 15, 1987, in Seoul, South Korea. He is the son of Mr. and Mrs. Kwak. He grew up as the youngest child in his family with four older sisters.
He is Korean by ethnicity and South Korean by nationality, while Buddhism is listed as his religion.
Before entering acting, he completed his mandatory military service and subsequently pursued opportunities in modeling and entertainment.
He attended Dankook University, where he studied Environmental and Civil Engineering. His academic background differed from his eventual entertainment career, but his interest in performance developed alongside his university years.
He began appearing in music videos and working as a model before making his formal acting debut in 2014.
His early modeling work included appearances in advertisements, runway projects, and music videos.
During his third year of middle school, he was scouted and became a trainee under SM Entertainment, training for three years alongside future members of Super Junior.
In 2005, he officially debuted as a fashion model under the stage name Han Seon-woo, walking for events like the Seoul Collection Fashion Show and modeling for Nike.
He paused his entertainment activities to complete his mandatory military service at age 24, which is when he realized his true passion was acting rather than modeling. He chose to withdraw from his studies to fully commit to his full-time acting career.
Career
Kwak Si-yang began his acting career in 2014, appearing in the SBS drama Glorious Day and making his film debut as Yong-joo in Night Flight.
In 2015, he gained wider attention through Persevere, Goo Hae-ra, Oh My Ghost, and All Is Well. He also joined the project group ONE O ONE alongside Ahn Hyo-seop, Song Won-suk, and Kwon Do-kyun.
His television credits later expanded to Second to Last Love, Chicago Typewriter, Fight for My Way, Welcome 2 Life, Alice, Lovers of the Red Sky, Idol: The Coup, Café Minamdang, Flex X Cop, Good Partner, My Dearest Nemesis, and The Divorce Insurance.
His film work includes The Witness, The Battle of Jangsari, You Will Die in 6 Hours, The Desperate Chase, and Samakdo.

Awards and nominations
- KBS Drama Awards — Excellence Award, Actor in a Daily Drama — Won, 2015, for All Is Well
Social media
- Instagram: @siyang87k
Personal life
Kwak Si-yang was born on January 15, 1987, and is 39 years old. He is currently single and unmarried, following the end of his relationship with actress Lim Hyeon-joo in November 2024.
The couple’s relationship was publicly confirmed in September 2023 after meeting through their connection to the entertainment industry. His height is 187 cm (6 ft 2 in). He does not have children.
He is an exceptionally skilled home cook. He has frequently impressed viewers on reality television by showcasing advanced kitchen knife skills and preparing complex dishes entirely from scratch.
He describes himself as a total homebody. When he is not filming, he prefers staying indoors, cleaning, cooking, and unwinding in his own space over going out to crowded social scenes.
When he does seek outdoor activity, he is an avid fan of casual sports, particularly enjoying baseball and basketball to stay active.
He enjoys taking low-key vacations to quiet, uncrowded destinations, such as the quiet countryside or simple getaways, to rest and recharge away from the public eye.
Net worth
Kwak Si-yang’s net worth is $3 million USD. His income has been generated principally from acting, modeling, television appearances, film projects, variety programs, advertising work, and music activities.
His extensive television career and continued film appearances have established several professional income streams within the South Korean entertainment industry.
Filmography
- Night Flight (2014) — Yong-joo
- Elephant in the Room (2015) — Lee Jae-won
- Familyhood (2016) — Kang Ji-hoon
- Sori: Voice from the Heart (2016) — Hyun-soo
- The Witness (2018) — Tae-ho
- The Battle of Jangsari (2019) — Park Chan-nyeon
- You Will Die in 6 Hours (2024) — Ki-hoon
- Chicago Typewriter (2017) — Baek Tae-min / Heo Young-min
- Fight for My Way (2017) — Kim Nam-il
- Welcome 2 Life (2019) — Goo Dong-tae
- Alice (2020) — Yoo Min-hyuk
- Lovers of the Red Sky (2021) — Grand Prince Juhyang
- Idol: The Coup (2021) — Cha Jae-hyuk
- Café Minamdang (2022) — Gong Soo-cheol
- Flex X Cop (2024) — Jin Seung-ju
- Good Partner (2024) — Chun Hwan-seo
- My Dearest Nemesis (2025) — Kim Shin-won
- The Divorce Insurance (2025) — Shin Hyeon-jae
- Dynamite Kiss (2025) — Kim Sang-sik
- Flex X Cop 2 (2026) — Jin Seung-ju
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