Top Cast
Kim Ha-neul
Yoon So-eun
Yoo Ji-tae
Ji-in
Ha Ji-won
Soe Hyeon-ji
Park Yong-woo
Ji Dong-hee
Shin Cheol-jin
Security Guard
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Yoo Tae-gyun
Yoon So-eun's Father
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Lee In-ok
Yoon So-eun's Mother
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Lee Yeong-gwang
Professor
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Kim Sang-won
Ji-in's Friend
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Kim Do-yoon
Ham Radio Club 1
