Roh Jae-won, born on October 13, 1993, is a South Korean actor who has rapidly emerged as a notable talent in the international entertainment landscape, primarily due to his compelling performance in the globally acclaimed series Squid Game (2024–2025). While his role as Nam-gyu in the highly anticipated second season of the dystopian thriller catapulted him into the spotlight, Roh Jae-won had already been building a solid foundation in Korean television through a series of diverse and critically respected roles. His journey from a relatively understated presence in ensemble casts to a key player in one of the most talked-about shows in the world marks a significant milestone in his burgeoning career.

Details of Roh Jae-won’s early life and training before his acting debut remain largely private, a common trait among many performers who prefer to let their work speak for itself. He made his initial foray into the industry with smaller roles, gradually honing his craft and gaining experience on set. His first major opportunity to showcase his range came in 2023 with the Netflix series Daily Dose of Sunshine, a heartfelt medical drama that explores the world of psychiatric nursing. In this series, Roh Jae-won contributed to an ensemble cast that navigated complex emotional narratives, earning praise for the show’s sensitive and realistic portrayal of mental health issues. This role demonstrated his ability to handle nuanced, character-driven material, setting the stage for more prominent parts.

The following year proved to be a breakout period for Roh Jae-won. He took on a significant role in the 2024 mystery thriller series Doubt, a gripping drama about a renowned criminal profiler who begins to question everything when his daughter becomes involved in a murder case. Appearing alongside established actors, Roh Jae-won held his own in a tense, psychologically layered narrative, further solidifying his reputation as a versatile and reliable performer. However, it was his casting in the second season of Squid Game that truly transformed his career trajectory. As Nam-gyu, a character who participates in the deadly competition, Roh Jae-won joined a star-studded cast including Lee Jung-jae, Lee Byung-hun, and Wi Ha-joon. His performance, marked by a palpable desperation and a steely resolve, resonated with audiences worldwide, making him one of the breakout stars of the season.

As of 2025, Roh Jae-won stands at the precipice of international stardom. The immense global success of Squid Game has opened doors to a wider audience and likely to a broader range of future projects. While specific details about his upcoming roles remain under wraps, the industry and fans alike are keenly watching to see how he leverages this newfound fame. With a growing filmography that already showcases his capacity for both emotional depth and high-stakes drama, Roh Jae-won has firmly established himself as a South Korean actor to watch on the global stage, his journey from supporting roles to a pivotal part of a cultural phenomenon serving as an inspiring testament to his talent and perseverance.