Wi Ha-jun has emerged as one of South Korea’s most versatile and compelling actors, captivating audiences with his striking presence and nuanced performances across both film and television. Born on August 5, 1991, in the coastal city of Wando, South Korea, he initially pursued a career in modeling before discovering a deep passion for acting, which led him to study at Sungkyunkwan University’s Department of Performing Arts. His journey to stardom began with small roles in independent films and short projects, but his breakout moment came with the critically acclaimed 2018 film Gonjiam: Haunted Asylum, where his portrayal of a fearless participant in a paranormal investigation showcased his ability to balance intensity with vulnerability. This performance caught the attention of industry insiders, paving the way for more substantial roles in both television and cinema.
Wi Ha-jun’s career gained significant momentum with his role in the 2020 television series Something in the Rain, where he played a supporting character that highlighted his emotional range. However, it was his performance in the global phenomenon Squid Game in 2021 that catapulted him to international fame. In the series, he portrayed Hwang Jun-ho, a determined police officer who infiltrates the deadly competition to find his missing brother. His character’s moral complexity and relentless pursuit of truth resonated deeply with viewers worldwide, earning him widespread acclaim and establishing him as a household name. The show’s unprecedented success, which broke streaming records on Netflix, introduced Wi Ha-jun to a vast global audience and opened doors to numerous opportunities beyond South Korea.
Following the success of Squid Game, Wi Ha-jun continued to expand his repertoire with diverse projects. He starred in the 2022 drama The Heavenly Idol, a fantasy romance that showcased his comedic timing and ability to handle whimsical narratives. He also took on a leading role in the thriller series Little Women, where he played a charismatic yet enigmatic figure entangled in a web of family secrets and corruption. The series, which aired on tvN, received critical praise for its intricate plot and strong performances, with Wi Ha-jun’s portrayal adding layers of intrigue and depth. His film work during this period included the action-packed movie The Witch: Part 2. The Other One, where he played a formidable antagonist opposite Kim Da-mi, further demonstrating his versatility in high-stakes, genre-driven storytelling.
Beyond his acting achievements, Wi Ha-jun has become a sought-after figure in the fashion and endorsement world, collaborating with luxury brands and gracing magazine covers. He has also ventured into variety shows, appearing as a cast member on Running Man and other programs, where his affable personality and playful demeanor have endeared him to fans. Despite his rising fame, he remains grounded, often expressing gratitude for his opportunities and emphasizing the importance of continuous growth as an artist. As of 2025, Wi Ha-jun continues to take on challenging roles, with upcoming projects including a highly anticipated Netflix series and a feature film that promise to further solidify his reputation as a dynamic and dedicated performer. His journey from a small-town dreamer to an internationally recognized star serves as an inspiring testament to the power of perseverance and talent in the competitive world of entertainment.