Actor profile

Lee You-mi

18th July 1994 Jeonju, North Jeolla, South Korea Acting

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 (2021), 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.

20 Movies 22 TV Shows 44 Credits

Filmography

Movies & TV Shows

Blue poster

Blue 12th January 2026 as Yoomi

No Heaven, But Love. poster

No Heaven, But Love. 16th October 2024 as Ye-ji

New Normal poster

New Normal 8th November 2023 as Hyun-su

Re-BORN poster

Re-BORN 30th June 2022

Today’s Superpower poster

Today’s Superpower 23rd October 2021 as Ji-woo

Hostage: Missing Celebrity poster

Hostage: Missing Celebrity 18th August 2021 as Ban So-yeon

Young Adult Matters poster

Young Adult Matters 15th April 2021 as Se-jin

Everyone Is There poster

Everyone Is There 15th January 2020 as Lee Gyu-Jin

Scent of a Ghost poster

Scent of a Ghost 3rd July 2019 as Student

Park Hwa-young poster

Park Hwa-young 19th July 2018 as Se-jin

The Whispering poster

The Whispering 13th July 2018 as Byun Ji-eun

The Heartbeat Operator poster

The Heartbeat Operator 21st December 2017 as Hye Eun

Superpower Girl poster

Superpower Girl 27th April 2017 as Ju-ri

Will You Be There poster

Will You Be There 14th December 2016 as Yeon-ah's Staff

Like a French Film poster

Like a French Film 14th January 2016 as Su-bin

The Avian Kind poster

The Avian Kind 28th September 2014 as Girl

Rough Play poster

Rough Play 24th October 2013 as Ad Girl

Hwayi: A Monster Boy poster

Hwayi: A Monster Boy 9th October 2013 as Yoo-kyung's Friend 1

The Russian Novel poster

The Russian Novel 19th September 2013 as You-mi

The Yellow Sea poster

The Yellow Sea 22nd December 2010 as Tae-won's Daughter

As You Stood By poster

As You Stood By 7th November 2025 as Jo Hui-su

Mr. Plankton poster

Mr. Plankton 8th November 2024 as Jo Jae-mi

Strong Girl Nam-soon poster

Strong Girl Nam-soon 7th October 2023 as Gang Nam-soon

Connect poster

Connect 7th December 2022

Mental Coach Jegal poster

Mental Coach Jegal 12th September 2022 as Cha Ga-eul

If You Wish Upon Me poster

If You Wish Upon Me 10th August 2022 as New volunteer

All of Us Are Dead poster

All of Us Are Dead 28th January 2022 as Lee Na-yeon

Squid Game poster

Squid Game 17th September 2021 as Ji-yeong / Player 240

SNL Korea poster

SNL Korea 4th September 2021 as Self - Host

365: Repeat the Year poster

365: Repeat the Year 23rd March 2020 as Kim Se Rin

My Holo Love poster

My Holo Love 7th February 2020 as Ji Hye

Doctor John poster

Doctor John 19th July 2019 as Na Kyung Ah

Touch Your Heart poster

Touch Your Heart 6th February 2019 as Seung-hee

Just Dance poster

Just Dance 3rd December 2018 as Kim Do-Yeon

It's Okay to Be Sensitive poster

It's Okay to Be Sensitive 12th July 2018 as Ye Ji

Afternoon in a Small City poster

Afternoon in a Small City 8th June 2018 as Shin Na Ra

Something Between Us, Comic Book Café poster

Something Between Us, Comic Book Café 19th April 2018 as Yoomi

Welcome to Waikiki poster

Welcome to Waikiki 5th February 2018 as Ji-Young

20th Century Boy and Girl poster

20th Century Boy and Girl 9th October 2017 as Mi-Dal

Happy Talk poster

Happy Talk 18th May 2017 as Ahn Na-oh

Running Man poster

Running Man 11th July 2010

You Hee-yeol's Sketchbook poster

You Hee-yeol's Sketchbook 24th April 2009 as Self