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Lee Jae-in

Lee Jae-in

Acting

Biography

Lee Jae-in (born February 6, 2004) is a South Korean actress. She first gained recognition through the mystery film Svaha: The Sixth Finger (2019). Other notable works include Racket Boys (2021) and Hi-Five (2025).

Known For

Hospital Playlist
8.5

Every day is extraordinary for five doctors and their patients inside a hospital, where birth, death and everything in between coexist.

Hospital Playlist

2020
Baeksang Arts Awards
N/A

No description available.

Baeksang Arts Awards

2012
Night Has Come
7.9

Trapped in a deadly cursed Mafia game, the students of Yoo-il High must play the game to survive while unraveling the mysteries behind the curse.

Night Has Come

2023
O’PENing
6.3

O'PENing is the new name of Drama Stage which has been broadcasting the winning work of the O'PEN storyteller contest. The franchise will continue to make meaningful steps to introduce and support new writers to see the light of the world and diversify content genres.

O’PENing

2022
Spring Fever
7.8

After moving to a quiet rural town to heal from past heartbreak, a withdrawn teacher slowly rediscovers warmth and joy through her unexpected connection with a rough-around-the-edges but kindhearted local man.

Spring Fever

2026
Racket Boys
8.0

A city kid is brought to the countryside by his father's new coaching gig: reviving a ragtag middle school badminton team on the brink of extinction.

Racket Boys

2021
Our Unwritten Seoul
8.5

Twin sisters, whose similarities end with their looks, swap identities amid personal struggles — embarking on a journey to rediscover love and life.

Our Unwritten Seoul

2025
The Price of Confession
7.9

Accused of killing her husband, a woman is offered a way out by a mysterious stranger: in exchange for a confession in her place, she must commit murder.

The Price of Confession

2025
Undercover
8.4

“Undercover” depicts the story of Han Jung Hyun, who has been hiding his identity for a long time, and Choi Yeon Soo, a human rights lawyer who becomes the first head of the Senior Civil Servant Corruption Investigations Unit to fight for justice.

Undercover

2021
Svaha: The Sixth Finger
6.8

Pastor Park, the head of a religious investigation center that exposes cults and cult leaders, begins looking into a suspicious new religion called Deer Mount.

Svaha: The Sixth Finger

2019
Beautiful World
7.9

This drama tells the story of a boy who becomes critically injured due to an incident of school violence and his family who seeks the truth and fights for justice in his name.

Beautiful World

2019
Hi-Five
7.1

In the dead of night, a body donated for organ transplants mysteriously disintegrates into ashes. Soon after, five recipients, given a heart, corneas, lungs, liver, and kidneys, begin to develop supernatural powers. A teenage girl gains immense strength, a hipster manipulates electromagnetic waves, a novelist summons powerful gusts, a factory manager can heal others, and a woman discovers a strange, still-unidentified ability. Together, they form a reluctant but heroic team known as "HI-FIVE." But they aren't the only ones transformed. A cult leader who received the donor’s pancreas gains the terrifying power to drain life energy and sets his sights on stealing the abilities of HI-FIVE to achieve godlike domination.

Hi-Five

2025
Concrete Market
5.3

Tells the story of an unbroken apartment becoming a place for barter in a world that has been ruined since the earthquake.

Concrete Market

2025
No Tears for the Dead
7.2

A hitman accidentally kills a little girl. Filled with regret, he wants to quit. But then to tie up loose ends, he is forced to go on another job, to kill the girl's mother.

No Tears for the Dead

2014
The Battle: Roar to Victory
7.4

Over a 4 day period, a fierce battle takes place between Korean independence militias and imperialist Japanese forces in Manchuria, China. The militia includes a master swordsman and an expert marksman.

The Battle: Roar to Victory

2019
Hard Hit
7.5

On his way to work, a bank manager receives an anonymous call claiming there's a bomb under his car seat, and if anyone exits the car, it will explode unless he can pay a ransom.

Hard Hit

2021
Adulthood
6.5

At her dad's funeral, Kyungun meets her uncle Jaemin, a complete stranger. He bilks her father's insurance money. She demands her money back, but he unashamedly refuses. To get her money back, she joins his next scam.

Adulthood

2018
I Can Speak
7.9

A grumpy old woman befriends a young civil servant and learns English from him. She then reveals to him her shocking past.

I Can Speak

2017
Homeless Christmas
N/A

No description available.

Homeless Christmas

2026
No image
N/A

A mysterious taxi that only picks up pre-booked passengers becomes a moving stage for ordinary yet poignant human stories, blending healing music and emotional journeys as riders confront life's hidden wounds.

Private Taxi