Nam Si-heon is the male lead of A Time Called You, a high-school student in 1998 who becomes drawn to Kwon Min-ju after she begins behaving differently, unaware that Han Jun-hee's consciousness now occupies Min-ju's body. He is gentle and steadfast, and his growing bond with Min-ju forms the heart of the romance. FLAG FOR FACT-CHECK: sources should confirm Ahn Hyo-seop also portrays the present-day lookalike Koo Yeon-jun connected to Han Jun-hee.
Si-heon's quiet devotion contrasts with the secrets and dangers swirling around the 1998 timeline. As the mystery deepens, his relationship with Min-ju is tested by events neither fully understands, and his presence becomes central to Jun-hee's attempts to make sense of her grief in the present.
By the finale, Si-heon's story is tightly bound to the resolution of the time-slip mystery, and his connection to Jun-hee across the two eras underscores the drama's themes of fated, time-crossing love. He is the figure whose face links 1998 and 2023 in Jun-hee's mind.
Nam Si-heon is one of the central figures in A Time Called You, a romance/drama/mystery/time-travel/korean/melodrama series that aired on Netflix from 2023. Within the narrative of A Time Called You, Nam Si-heon serves as a pivotal character whose decisions and relationships drive key story arcs throughout Season 1 (2023). The character's journey has been central to many of the show's most memorable and discussed moments.
Portrayed by Ahn Hyo-seop, Nam Si-heon has become one of the most recognizable characters in modern television. Ahn Hyo-seop's performance brings nuance and depth to the role, creating a character that resonates with audiences on both intellectual and emotional levels. Ahn Hyo-seop's work has been recognized with 1 major award, reflecting the critical acclaim their portrayal has received.
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? Frequently Asked Questions
Nam Si-heon is played by Ahn Hyo-seop, a Korean-Canadian actor and singer best known internationally for the romantic comedy Business Proposal. In A Time Called You he plays the 1998 high-school student at the center of the romance. FLAG FOR FACT-CHECK: reports that he also portrays the present-day character Koo Yeon-jun should be verified against official credits.
Yes. Part of the show's hook is that Nam Si-heon strongly resembles Koo Yeon-jun, Han Jun-hee's deceased boyfriend in 2023, which is why Jun-hee is so unsettled when she meets him in 1998. The exact nature of the connection is gradually revealed as the time-slip mystery unfolds.
