The year she turned 23, as an actor trainee at JYP Entertainment, she made her first public appearance in Jo Kwon’s music video “Crosswalk.” That year she was also cast as the female lead of the film Wretches, taking on a dual role in her debut film. In 2017, she played So-mi in JTBC’s Rain or Shine.
In 2018, Wretches was released, and she also appeared in the film Love+Sling. In 2019, she appeared in tvN’s Romance Is a Bonus Book, and in December she was confirmed as a lead of Netflix’s Sweet Home.
The breakthrough yearIn February 2020, she was confirmed as a lead of tvN’s It’s Okay to Not Be Okay, and it began airing in June. In December, Netflix’s Sweet Home was released. The year she turned 27, she became known as the bassist Yoon Ji-soo, and Star News wrote of a Park Gyu-young craze on social media.
In 2021, she graduated from Yonsei University and was nominated for Best New Actress in television at the Baeksang Arts Awards for Sweet Home. In July she appeared in tvN’s The Devil Judge, and in December she won Best New Actress and the Best Couple Award at the KBS Drama Awards for Dali & Cocky Prince.
In 2023, she played Seo A-ri in Netflix’s Celebrity, and in October she starred with Cha Eun-woo in MBC’s A Good Day to Be a Dog. In December, she won the Excellence Award at the MBC Drama Awards for the drama and also co-hosted the ceremony with Kim Sung-joo.
In January 2024, A Good Day to Be a Dog ended, and she joined the drama Nine Puzzles. In July, the Sweet Home series ended with season 3, and in December she appeared as the North Korean defector Kang No-eul in Netflix’s Squid Game season 2.
In June 2025, the Squid Game series ended with season 3, and in September she appeared as Shin Jae-yi in the Netflix film Mantis. In 2026, it was reported that she had been offered the lead role in the romantic comedy drama But Your Love (working title).
Park Gyu-young (born Jul 27, 1993) debuted on Feb 15, 2016, the year she turned 23, in Jo Kwon’s music video “Crosswalk,” and became known on Dec 18, 2020, the year she turned 27, as Yoon Ji-soo in Netflix’s Sweet Home. Her first acting award was Best New Actress at the KBS Drama Awards in 2021, the year she turned 28.
Ages are by calendar year (the year minus the birth year), birthdays aside.
As an actor trainee at JYP Entertainment, appeared in the music video for Jo Kwon’s digital single “Crosswalk,” playing opposite EXO’s Suho. This music video was her first public appearance.
Source 01 · News1 (Korean) · JYP trainee Park Gyu-young debuts in Jo Kwon’s music video · opens in a new tabSource 02 · OBS (Korean) · Cast as the female lead of Wretches · opens in a new tabCast to play two characters: Ye-ri, an adult with the intelligence of a six-year-old kindergartner, and Bo-kyung, a high school girl who looks just like her.
Source 02 · OBS (Korean) · Cast as the female lead of Wretches · opens in a new tabA drama she appeared in after the film Wretches.
Source 03 · TenAsia (Korean) · Muju Film Festival ambassador · opens in a new tabSource 04 · Wikipedia (Korean) · Park Gyu-young · opens in a new tab The year and the character name are from Wikipedia and were not confirmed in news reports.Her debut film, in a dual role, was released. Sports World wrote that the film made her a rising star of Chungmuro, the Korean film industry.
Source 31 · Sports Chosun (Korean) · Wretches released · opens in a new tabSource 05 · Sports World (Korean) · Showing her charm in Love+Sling · opens in a new tabChosen as an ambassador together with Hwang Chan-sung.
Source 03 · TenAsia (Korean) · Muju Film Festival ambassador · opens in a new tabA project she wrapped up ahead of the release of the film Love+Sling.
Source 06 · Sports Donga (Korean) · Miss Independent Jieun ends · opens in a new tabSource 04 · Wikipedia (Korean) · Park Gyu-young · opens in a new tab The exact end date was not confirmed.Played So-young, the elder daughter of the family upstairs; Lee Sung-kyung played her younger sister, Ga-young.
Source 07 · Sports Seoul (Korean) · Love+Sling family screening · opens in a new tabSource 06 · Sports Donga (Korean) · Miss Independent Jieun ends · opens in a new tabA drama she appeared in before being cast in Sweet Home.
Source 09 · Insight Korea (Korean) · Introduction to the Sweet Home cast · opens in a new tabSource 04 · Wikipedia (Korean) · Park Gyu-young · opens in a new tab The year and the character name are from Wikipedia and were not confirmed in news reports.An original series directed by Lee Eung-bok and based on a Naver webtoon.
Source 08 · Seoul Economic Daily (Korean) · Cast as a lead of Sweet Home · opens in a new tabAfter her casting in Sweet Home was confirmed, she joined a project with Kim Soo-hyun.
Source 10 · News1 (Korean) · Cast as a lead of It’s Okay to Not Be Okay · opens in a new tabAired on tvN every Saturday and Sunday through Aug. 9.
Source 11 · Wikipedia (Korean) · It’s Okay to Not Be Okay (drama) · opens in a new tab The broadcast dates are from Wikipedia and were not confirmed in news reports.Played Yoon Ji-soo, a bassist. Star News wrote of a Yoon Ji-soo and Park Gyu-young craze on social media. It was the start of a series that ran through season 3.
Entered in 2013 and balanced acting with her studies.
Source 14 · Naver (Korean) · From a Yonsei brain-sexy woman to Sweet Home’s Ji-soo · opens in a new tabSource 04 · Wikipedia (Korean) · Park Gyu-young · opens in a new tab The exact month of graduation was not confirmed. Wikipedia gives her years of study as 2013 to 2021.Made the final list of nominees for Sweet Home. The award went to Park Joo-hyun (Extracurricular).
Source 16 · Open News Agency (Korean) · 57th Baeksang Arts Awards nominees announced · opens in a new tabSource 17 · Sports Chosun (Korean) · 57th Baeksang Arts Awards results · opens in a new tabA tvN weekend drama in which she appeared with Ji Sung and Jinyoung.
Source 15 · Star News (Korean) · First broadcast of The Devil Judge, Park Gyu-young · opens in a new tabWon Best New Actress and the Best Couple Award for Dali & Cocky Prince.
Source 18 · Maeil Business Newspaper (Korean) · KBS Drama Awards Best New Actress · opens in a new tabSource 22 · OSEN (Korean) · Joins Nine Puzzles · opens in a new tabSource 04 · Wikipedia (Korean) · Park Gyu-young · opens in a new tab Her partner for the Best Couple Award (Kim Min-jae) is from Wikipedia.Ranked second on Netflix’s TV series chart a week after release.
Source 19 · TenAsia (Korean) · Actors rising on Netflix · opens in a new tabA Wednesday drama in which she appeared with Cha Eun-woo.
Source 20 · Sports Chosun (Korean) · Behind the scenes of A Good Day to Be a Dog episode 1 · opens in a new tabHosted the ceremony with Kim Sung-joo and also won the Excellence Award in the miniseries category for A Good Day to Be a Dog.
Source 21 · Naver (Korean) · 2023 MBC Drama Awards results · opens in a new tabThe final episode aired on Jan. 10.
Source 30 · Sports Kyunghyang (Korean) · Unreleased stills of A Good Day to Be a Dog · opens in a new tabA drama directed by Yoon Jong-bin. The news followed her casting in Squid Game season 2.
Source 22 · OSEN (Korean) · Joins Nine Puzzles · opens in a new tabThe series that began in 2020 ended after four years.
Source 13 · Electronic Times (Korean) · Sweet Home 3 confirmed · opens in a new tabPlayed a former soldier and North Korean defector who works in a doll costume at an amusement park. She appeared as a Pink Guard (an operations staff member), not as a game contestant.
Source 23 · Edaily (Korean) · Squid Game 2 interview, Kang No-eul · opens in a new tabSource 24 · The Fact (Korean) · Squid Game 2 casting story · opens in a new tabRecorded 60.1 million views in three days. Kang No-eul continued as a staff member, not a contestant.
Source 26 · Ohmynews (Korean) · Squid Game 3 viewing points · opens in a new tabSource 25 · Edaily (Korean) · Squid Game 3 views in three days · opens in a new tabIn a spin-off of Kill Boksoon, played Shin Jae-yi, a killer and rival of Mantis (Im Si-wan).
Source 27 · Star News (Korean) · Mantis, Jeon Bae-soo · opens in a new tabSource 29 · Sports Chosun (Korean) · Park Gyu-young interview on Mantis · opens in a new tabReported to have been offered the lead role of Tak So-na in a romantic comedy drama, with talks in the final stages.
Source 28 · JTBC Entertain News (Korean) · Lead role in But Your Love · opens in a new tabEND OF SELECTED RECORDSSelected records, 2016–2026 · not a complete list of work. “Key moment” is an editorial label, not a measure of success.
What did they do, and at what age?
AgeTrail lines up the key moments of a life by age.
Debut and breakthrough are marked separately, and every record has a source.
Film & TV · South Korea
Jul 27, 1993 —
Ages are counted from the birth year 1993: the year of the event minus 1993, birthdays aside. “Key moment” labels and the connecting story are AgeTrail's editorial reading.
Fact-checked: 2026.09.29 · An independent archive, not affiliated with the person or their agency.