
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.

Gonjiam: Haunted Asylum
2018 · as Ha-jun

Squid Game: Making Season 2
2025 · as Self

Shark: The Beginning
2021 · as Jeong Do-hyeon

Midnight
2021 · as Do-sik

Miss & Mrs. Cops
2019 · as Woo-jun

Coin Locker Girl
2015 · as Young Woo-gon

The Chase
2017 · as Young Jeong-hyuk

Anarchist from Colony
2017 · as Young Korean Prisoner

Eclipse
2016 · as Jung-tae

Bad Guys Always Die
2015 · as Cha Myung-ho

살생부
as Prince Suyang