Celebrity Profile Since 2001

Sieun

Sieun is known for acting, with popular credits including Love Forecast, STAYC 1st World Tour [TEENFRESH] in Seoul, STAYC: [STAY TUNED TOUR], Mystic Pop-up Bar.

Born 01 Aug 2001 Seoul, South Korea

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Sieun Story

Park Sieun (박시은) is a South Korean actress and singer. She is a member of the girl group STAYC. She made her acting debut in 2014 as one of the main characters in the children's television series Pluto Secret Society. Her father is singer Park Nam Jung. On January 18, 2017, it was announced that Park had signed a contract with JYP Entertainment. She left JYP Entertainment and is now under High Up Entertainment. After signing with High Up Entertainment, she debuted as a member of the girl group STAYC in November 2020.

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11 Jun 2026

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Love Forecast STAYC 1st World Tour [TEENFRESH] in Seoul STAYC: [STAY TUNED TOUR] Mystic Pop-up Bar IDOL 1N2D

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Known for Love Forecast, STAYC 1st World Tour [TEENFRESH] in Seoul, STAYC: [STAY TUNED TOUR], Mystic Pop-up Bar.

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Sieun Movies & TV

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Love Forecast

movie

STAYC 1st World Tour [TEENFRESH] in Seoul

movie

Mystic Pop-up Bar

IDOL 1N2D

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Blue Dragon Series Awards

PANGPANG STAYC

Men on a Mission

Pluto Squad

Queen For Seven Days

Pride and Prejudice

Still 17

The Good Wife

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Lee Jun-hyeok

Acting

Connected through Six Flying Dragons