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Wi Ha-jun
Known for
Wi Ha-jun is a South Korean actor born in Wando, who first drew attention in the horror hit 'Gonjiam: Haunted Asylum' before landing his breakout role as Detective Hwang Jun-ho in 'Squid Game'. Searching for his missing brother, his character infiltrates the deadly games from the outside, providing one of the series' key investigative threads across multiple seasons. Wi has continued to build his career with roles in the series 'Gyeongseong Creature' and 'Midnight'. He is now recognized as one of the breakout Korean actors of the global streaming era.
Wi Ha-jun
Turns 35 today
9 Movies
16 Series
Wi Ha-jun is a South Korean actor born in Wando, who first drew attention in the horror hit 'Gonjiam: Haunted Asylum' before landing his breakout role as Detective Hwang Jun-ho in 'Squid Game'. Searching for his missing brother, his character infiltrates the deadly games from the outside, providing one of the series' key investigative threads across multiple seasons. Wi has continued to build his career with roles in the series 'Gyeongseong Creature' and 'Midnight'. He is now recognized as one of the breakout Korean actors of the global streaming era.
Movies
Plays Ha-jun
Gonjiam: Haunted Asylum
2018
Plays Jeong Do-hyeon
Shark: The Beginning
2021
Plays Do-sik
Midnight
2021
Plays Woo-jun
Miss & Mrs. Cops
2019
Plays Young Woo-gon
Coin Locker Girl
2015
Plays Young Jeong-hyuk
The Chase
2017
Plays Young Korean Prisoner
Anarchist from Colony
2017
Plays Cha Myung-ho
Bad Guys Always Die
2015
Plays Jung-tae
Eclipse
2016
TV Shows
Plays Ryu Jae-Shin
My Golden Life
2017
Plays Im Shi-Ho
Matrimonial Chaos
2018
Plays Detective Hwang Jun-ho
Squid Game
2021
Plays Ha Jun
Goodbye Mr. Black
2016
Plays Lee Joon-ho
The Midnight Romance in Hagwon
2024
Plays Yun Seung-ho
Something in the Rain
2018
Plays Ji Seo-joon
Romance Is a Bonus Book
2019
Plays Ye Ji-hoon
18 Again
2020
Plays K
Bad and Crazy
2021
Plays Choi Do-il
Little Women
2022
Plays Jung Gi-cheol
The Worst of Evil
2023
Plays Cha Woo-seok
Siren's Kiss
2026
Plays Lee Ha-Min
With Coffee
2018
Plays Kwon Jun-taek
Gyeongseong Creature
2023
Plays Jeong Do-hyeon
Shark: The Storm
2025
Plays Oh Yoo-Min
Fix You
2020
Latest Trailers
Watch Trailer
Shark: The Beginning
Full Filmography
Siren's Kiss
Cha Woo-seok · 12 episodes
2026–
TV
Shark: The Storm
Jeong Do-hyeon · 6 episodes
2025
TV
Gyeongseong Creature
Kwon Jun-taek · 8 episodes
2023–2024
TV
The Midnight Romance in Hagwon
Lee Joon-ho · 16 episodes
2024–
TV
The Worst of Evil
Jung Gi-cheol · 12 episodes
2023–
TV
Little Women
Choi Do-il · 12 episodes
2022–
TV
Bad and Crazy
K · 12 episodes
2021–
TV
Shark: The Beginning
Jeong Do-hyeon
2021
Film
Squid Game
Hwang Jun-ho
2021–
TV
Photos
Frequently Asked Questions
How old is Wi Ha-jun and where are they from?
Wi Ha-jun is 35 years old, born on August 5, 1991 in Wando, South Jeolla, South Korea.
What are the most famous roles of Wi Ha-jun?
Wi Ha-jun is best known for roles in Gonjiam: Haunted Asylum, Squid Game: Making Season 2, Midnight.
How many movies has Wi Ha-jun been in?
Over a 11-year career (since 2015), Wi Ha-jun has appeared in 9 movies and 16 TV shows.
What was Wi Ha-jun's first movie?
The career of Wi Ha-jun began with Coin Locker Girl (2015).
What is Wi Ha-jun's most recent movie or series?
Wi Ha-jun's most recent release is Siren's Kiss, which premiered on March 2, 2026.
What TV shows has Wi Ha-jun appeared in?
On television, Wi Ha-jun has appeared in Squid Game, Gyeongseong Creature, 18 Again, Little Women.
Wi Ha-jun
1991-08-05 · Wando, South Jeolla, South Korea
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.