Lee You-mi

Lee Yoo-mi (; born July 18, 1994) is a South Korean actress. She is known for her roles as Ji-yeong / Player 240 in Squid Game, Lee Na-yeon in All of Us Are Dead (2022), Gang Nam-soon in Strong Girl Nam-soon (2023), and Jo Jae-mi in Mr. Plankton (2024). She won the Primetime Emmy Award for Outstanding Guest Actress in a Drama Series for her role as Ji-yeong in Squid Game, making her the first Korean actress to win in the category.

Early life Lee was born on July 18, 1994, in Jeonju, South Korea.

Career She began her acting career in 2010 with her debut in the action thriller The Yellow Sea. In the following years, her work was limited to minor roles in several film and television series.

In 2021, Lee rose to prominence outside South Korea for her role as Ji-yeong (Number 240) in the Netflix series Squid Game. Following the series' international success, Lee's follower count on Instagram increased from 40,000 to over 6.5 million in a matter of days. Her performance made her the first Korean actress to win the Primetime Emmy Award for Outstanding Guest Actress in a Drama Series.

In 2022, Lee starred as Lee Na-yeon in the Netflix zombie-themed series All of Us Are Dead. Her performance as the villainous, selfish, arrogant, and rich student (which contrasted with the understandable and selfless Ji-yeong in Squid Game) further elevated her profile.

In 2023, Lee starred in the South Korean TV series, Strong Girl Nam-soon, as the titular character, Gang Nam-soon, a young woman with superhuman strength passed down to her through her maternal line. The series aired on JTBC and is available on Netflix.

In 2025, she starred as Jo Hui-su a once-aspiring children’s book writer in the Netflix crime thriller television series As You Stood By.

Philanthropy On July 20, 2022, Lee donated cosmetic products worth to a public foundation for burn patients.

Filmography Film Year Title Role 2010 The Yellow Sea Kim Tae-won's daughter 2012 Grape Candy Seon Joo (young) 2013 The Russian Novel Yoo Mi Hwayi: A Monster Boy Yoo Kyung's friend Rough Play Advertisement Girl 2015 The Avian Kind So-nyeo Will You Be There? Yeon-ah 2017 Superpower Girl Maeng Ju-ri Hye Eun 2018 Never Ever Rush Hana Outdoor Begins Ma-ri The Whispering Byun Ji-eun Park Hwa Young Se Jin 2021 Young Adult Matters Yoon Se-jin Hostage: Missing Celebrity Ban So-yeon 2022 Today's Superpower Ji-woo 2023 New Normal Hyun-soo

Television series Year Title Role Notes 2010 Future Boy Seo Yeon-doo 2015 Cheo Yong 2 Song Da-jung Cameo (Episode 6) 2017 Children of the 20th Century Mi Dal / Jo Min-hyun 2018 Voice 2 Hwang Hee-joo Cameo (Episode 3) Just Dance Kim Do-yeon 2019 Doctor John Na Kyung-ah 2020 Drama Stage – "Everyone is There" Lee Gyu-jin One-act drama 365: Repeat the Year Kim Se-rin 2022 Mental Coach Jegal Cha Ga-eul If You Wish Upon Me Young woman Cameo (Episode 16) 2023 Strong Girl Nam-soon Gang Nam-soon

Web series Year Title Role Notes 2018 A Trivial Afternoon in the City Sin Na-ra Bit part It's Okay To Be Sensitive Ye-ji Studio OnStyle original 2021 Squid Game Ji-yeong (Player No. 240) NetflixSeason 1 2022 All of Us Are Dead Lee Na-yeon Netflix 2024 Mr. Plankton Jo Jae-mi 2025 As You Stood By Jo Hui-su

Music video appearances Year Song title Artist 2023 "Yesterday" Jay Park 2026"Blue"DK X Seungkwan

Accolades Awards and nominations + Name of the award ceremony, year presented, category, nominee of the award, and the result of the nomination Award ceremony Year Category Nominee / Work Result APAN Star Awards 2022 Excellence Award, Actress in an OTT Drama Squid GameAll of Us Are Dead Blue Dragon Film Awards 2021 Best New Actress Young Adult Matters Baeksang Arts Awards 2022 Best New Actress – Film Best New Actress – Television All of Us Are Dead Buil Film Awards 2021 Best New Actress Young Adult Matters Cine21 Film Awards 2021 Best New Actress Hostage: Missing CelebrityYoung Adult Matters Gold Derby Awards 2022 Best Drama Guest Actress Squid Game Kinolights Awards 2021 Actress of the Year (Domestic) Squid GameHostage: Missing CelebrityYoung Adult Matters Korean Film Writers Association Awards Best New Actress Hostage: Missing CelebrityYoung Adult Matters Primetime Creative Arts Emmy Awards 2022 Outstanding Guest Actress in a Drama Series Squid Game

Listicles + Name of publisher, year listed, name of listicle, and placement Publisher Year Listicle Placement Time 2022 Next Generation Leaders Placed