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Wi Ha-jun

Wi Ha-jun

Acting

Biography

Wi Hyun-yi (August 5, 1991), known professionally as Wi Ha-jun (위하준), is a South Korean actor. He is best known for his role as Hwang Jun-ho in Squid Game (2021–2025). Wi has also starred in the films Gonjiam: Haunted Asylum (2018), Shark: The Beginning (2021) and Midnight (2021), as well as the television series Something in the Rain (2018), Romance Is a Bonus Book (2019), 18 Again (2020), Bad and Crazy (2021), Little Women (2022), The Worst of Evil (2023), and The Midnight Romance in Hagwon (2024). In 2022, Wi was named one of GQ Korea's Men of the Year. Wi is managed by MSTeam Entertainment.

Known For

Squid Game
7.9

Hundreds of cash-strapped players accept a strange invitation to compete in children's games. Inside, a tempting prize awaits — with deadly high stakes.

Squid Game

2021
Amazing Saturday
7.6

A group of hungry celebrities listen to poppin’ tunes, from recent hits to all-time-favorites, to correctly dictate a part of the lyrics. The songs may sound familiar, but the part they must dictate are unclear to the naked ear, as the lyrics are slurred, muffled by strong beats, etc. If they get the lyrics right, they get to share exquisite regional dishes. But if they get them wrong, a professional eater gobbles it up instead.

Amazing Saturday

2018
My Little Old Boy
7.0

How much do you know about your grown up son? In Mom’s Diary, the daily lives of the grown up celebrity sons are closely observed by their mothers. Do you know why your son drinks so much these days? How much do you know about your son’s philosophy in his life style? Heart-warming moments of observational communication between a mother and a son can be seen on Mom’s Diary.

My Little Old Boy

2016
Shark: The Storm
7.5

An action noir about the life of Cha Woo-sol, who was born again after meeting martial arts champion Jeong Do-hyeon in a juvenile prison.

Shark: The Storm

2025
Gonjiam: Haunted Asylum
7.3

The crew of a horror web series travels to an abandoned asylum for a live broadcast, but they encounter much more than expected as they move deeper inside the nightmarish old building.

Gonjiam: Haunted Asylum

2018
Gyeongseong Creature
7.9

Gyeongseong, 1945. In Seoul's grim era under colonial rule, an entrepreneur and a sleuth fight for survival and face a monster born out of human greed.

Gyeongseong Creature

2023
The Worst of Evil
8.3

Set in the 1980s, a husband and wife, both detectives, infiltrate a massive criminal organization responsible for the illegal drug trade between Korea, China, and Japan.

The Worst of Evil

2023
Bad and Crazy
7.9

A superhero drama about Soo-yeol who has lived his whole life as a materialistic police detective, but changes into a champion for justice and fights against police corruption when a hidden persona called "K" awakens inside him.

Bad and Crazy

2021
Romance Is a Bonus Book
7.5

A gifted writer who's the youngest editor-in-chief ever at his publishing company gets enmeshed in the life of a former copywriter desperate for a job.

Romance Is a Bonus Book

2019
Show!terview with Jessi
7.0

Jessi is a Korean-American rapper and singer who brings a new style of talk show to South Korea. She is cheerful, straightforward, bold and witty with the hottest singers, actors and personalities in the industry. Jessi conducts an unpredictable and unstoppable interview from the very beginning. The chemistry between MC Jessi and the guests begins!

Show!terview with Jessi

2020
Siren's Kiss
7.1

Ace insurance investigator Cha Woo-seok hunts a fraud ring tied to mysterious deaths and becomes dangerously entangled with Han Seol-ah, a flawless art auctioneer whose lovers all seem to die. As attraction and suspicion blur, he must uncover whether she’s a killer or a victim, before the truth costs him his life.

Siren's Kiss

2026
Little Women
8.0

Three sisters, who only have each other and never enough money, get entangled in a conspiracy involving the rich and powerful.

Little Women

2022
Squid Game: Making Season 2
8.4

From set designs to character arcs, get exclusive cast and director interviews on how Season 2 of the globally most-watched series was brought to life.

Squid Game: Making Season 2

2025
Shark: The Beginning
7.5

A bullied teenager who is locked up at a juvenile detention center due to an unexpected accident, meets a mixed martial arts champion to break through his own limits.

Shark: The Beginning

2021
Something in the Rain
7.8

Explore the relationship of two people as they go from being “just acquaintances” to “a genuine couple” — Yoon Jin Ah, a coffee shop supervisor in her 30s, and Seo Joon Hee, a designer at a video game company who has just returned from working abroad.

Something in the Rain

2018
Problem Child in House
5.5

In a society that puts the spotlight on the smart guys only, there are people who do not have a grain of common sense. In this knowledge-talk show, these problematic people get locked up in a rooftop house and are allowed to go home only if they get 10 questions right.

Problem Child in House

2018
18 Again
8.3

At a difficult place in his marriage and career, a middle-aged man gets a shot at a do-over when he's transformed back into his 18-year-old body.

18 Again

2020
Salon Drip
4.5

Tea time talk show with Salon owner Jang Do Yeon. A comfortable world of endless aristocratic-like conversations in the realm of wit!

Salon Drip

2023
Matrimonial Chaos
7.8

Is marriage really the completion to love? This comedy drama begins with this question and defines the difference in thought between men and women about love, marriage and family.

Matrimonial Chaos

2018
Fix You
6.7

A psychiatrist who is passionate about helping his patients does everything he can to help them heal their emotional wounds and find happiness.

Fix You

2020