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Seo In-guk 서인국

About

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 including High School King of Savvy (2014), Hello Monster (2015), Shopping King Louie (2016), and Death's Game (2023).

Description via Wikipedia (lead extract) · name cross-verified Wikidata + Wikipedia.

Verified facts

Seo In-guk (서인국) — verified Korean artist. Agency: Jellyfish Entertainment.

Details

• Genre: pop music
• Birth Date: October 23, 1987
• Nationality: South Korean
• Professions: singer-songwriter and actor
• Breakthrough: Reply 1997 (2012)
• Talent Show Win: Superstar K in 2009
• Birth Place: 울산광역시 남구 야음동
• Occupation: 가수이자 배우
• Singing Debut: 2009년
• Acting Debut: 2012년

Q&A — what agents ask

Cross-checked by 3 source(s)

• Wikidata — structured open knowledge base · view ↗
• Wikipedia — encyclopedic article · view ↗
• MusicBrainz — open music database · view ↗

Verification history

Verified & tracked since 2026-08-15 · 6 verified snapshots.

Append-only, timestamped — the record of WHEN a fact changed, which a latecomer cannot backfill. Full feed: /changes.json · machine-readable: get_history("artist:seoinguk").

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