My Take
Seo In-guk is one of those rare Korean entertainers who came in through a side door — winning Superstar K in 2009 — and then quietly became one of the most versatile performers in the industry. I think what makes him so watchable is that he never quite fits the typical idol mold: there's always something a little unpredictable and lived-in about his performances. His breakout in Reply 1997 was a genuine surprise, and from there he picked roles that kept him interesting — the goofy Shopping King Louie, the brooding Hello Monster detective, and the genuinely unsettling Death's Game in 2023. The singing and acting combo is common in K-entertainment, but he's one of the few where I actually rate both equally.
Overview
Seo In-guk (Korean: 서인국; 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).
1. Profile
- Name (English)
- Seo In-guk
- Name (Japanese)
- ソ・イングク
- Reading
- そ・いんぐく
- Born
- October 23, 1987 (age 38)
- Zodiac / Chinese zodiac
- Libra / Rabbit
- Origin
- Ulsan, South Korea
- Blood type
- Private
- Height
- Private
- Agency
- Private
- Occupation
- actor / singer / film actor / stage actor / television actor
2. Background
- Elementary school
- Private
- Junior high
- Private
- High school
- Private
- University
- Sehan University
3. Relationships
- Spouse
- Private
- Children
- Private
- Parents
- Private
- Siblings
- Private
4. Personality
Motto
Private
6. Links
- Official sitehttp://www.seoinguk.co.kr
- Instagramhttps://www.instagram.com/seo_cccc/
- Xhttps://x.com/sigstyle1023
- Wikipedia (Japanese)https://ja.wikipedia.org/wiki/%E3%82%BD%E3%83%BB%E3%82%A4%E3%83%B3%E3%82%B0%E3%82%AF
7. About this entry
Tags
- Last updated
- 2026-06-02
Facts are limited to publicly available information up to 2024; non-public items are marked "Private / Unknown". English text is machine-assisted (facts translated by Sonnet, "My Take" written by Opus 4.8). The Japanese page is the source of record.