Lee Jae-han is an earnest, dogged detective working in 1989 who refuses to give up on cases that the system would rather close and forget. His sense of justice is personal and unwavering, and it sometimes puts him at odds with colleagues and superiors who prefer expedience over the truth.
When his old walkie-talkie unexpectedly connects him to Park Hae-young in the present, Jae-han gains a partner he cannot see across an impossible distance of time. Acting on information from the future, he is able to pursue leads and protect people in ways that would otherwise be impossible, while grappling with the strangeness of it all.
Jae-han mentors a young Cha Soo-hyun and leaves a profound impression on her, and his fate in the past becomes one of the series' central mysteries. His courage and integrity drive much of the story's emotion, illustrating how the actions of one determined investigator can echo across decades.
Lee Jae-han is one of the central figures in Signal, a crime/thriller/mystery/korean/procedural/fantasy series that aired on tvN from 2016. Within the narrative of Signal, Lee Jae-han serves as a pivotal character whose decisions and relationships drive key story arcs throughout Season 1 (2016). The character's journey has been central to many of the show's most memorable and discussed moments.
Portrayed by Cho Jin-woong, Lee Jae-han has become one of the most recognizable characters in modern television. Cho Jin-woong's performance brings nuance and depth to the role, creating a character that resonates with audiences on both intellectual and emotional levels. Cho Jin-woong's work has been recognized with 1 major award, reflecting the critical acclaim their portrayal has received.
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? Frequently Asked Questions
Lee Jae-han is played by South Korean actor Cho Jin-woong, who portrays the 1989 detective who communicates with the present through the walkie-talkie.
Jae-han is a dedicated detective in 1989 who receives information from Park Hae-young in the present and acts on it to investigate cases, while also mentoring a young Cha Soo-hyun.
