How old is Seo In-guk?

Seo In-guk is 38 years old (born October 23, 1987).

Is Seo In-guk still alive?

Yes, Seo In-guk is still alive as of 2026, aged 38.

What is Seo In-guk's real name?

Seo In-guk's full birth name is S. In-guk.

Where is Seo In-guk from?

Seo In-guk is from Ulsan, South Korea, South Korea.

What generation is Seo In-guk?

Seo In-guk is a Millennial, born in 1987.

Seo In-guk

🎭 actor

Still alive

—

Age today

years old

Seo In-guk (born October 23, 1987) is a South Korean singer-songwriter and actor. He began his singing career after winning the talent reality show Superstar K in 2009, and made his acting breakthrough in Reply 1997 (2012). Since then, he has starred in television series, High School King of Savvy (2014), Hello Monster (2015), Shopping King Louie (2016), and Death's Game (2023).

Seo In-guk — Biography, Age & FactsSeo In-guk Age in 2026Seo In-guk Nationality: South KoreaSeo In-guk — Still Alive (Age 38)Seo In-guk Career (20 years)

the 2012 dramathe success of thecomposing and writingcreating several songs for his own albumsYoon YoonFly Away

Born

Years in career20 years active

October 23rd, 1987

Birthplace

Ulsan, South Korea

Known for

🎭 Actor

Nationality

South Korea

Generation

Millennial

Career

20 years

Region

Asia

📖 Wikipedia 📅 Others born on October 23rd

How Seo In-guk compares to other Actors

🎂Seo In-guk is 15 years younger than the average Actor

All Actors Millennial celebrities Asia Others born October 23 South Korea celebrities

Facts about Seo In-guk

Did you know?

Did you know that Seo In-guk initially aspired to be a professional wrestler before finding fame as a singer and actor?

5 Lesser-known facts

He was initially rejected by JYP Entertainment during an audition due to his physical appearance and weight.
His mother supported their family by collecting recycled waste, a fact he often shares with humility.
He has a deep passion for composing and writing, having participated in creating several songs for his own albums.
He made his official Japanese debut as a singer in 2013 with the single "Fly Away".
Despite his successful acting career, he continues to actively release music and contribute to drama OSTs.

Career highlight

His role as Yoon Yoon-jae in the 2012 drama "Reply 1997" is widely regarded as his acting breakthrough. This role not only solidified his status as a versatile actor but also played a crucial part in the success of the "Reply" series, demonstrating his ability to lead a hit drama.

Legacy

Seo In-guk is celebrated for paving the way for reality show winners to successfully cross over into acting, showcasing remarkable versatility in both music and drama. He remains a beloved figure known for his unique charm and diverse contributions to Korean entertainment.