Full Cast
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Ko So-young
Oh Se-jin
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Kang Seong-jin
Detective Yang Na-sun
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Jang Hee-jin
Yu-yeon
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Park Ha-seon
Jung-hong
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Kim Ha-eun
Woman who committed suicide
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Kim Dong-wook
Shin Jung-soo
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Yuko Fueki
Subway
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Kim Kyu-min
Detective
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Lee Young-hee
Elder
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Ban Hye-ra
Hye-ra
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Kang In-hyung
Student
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Oh Jeong-won
Jung-hong's mother
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Yook Mi-ra
Yu-yeon's mother
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Lee Joo-suk
MD
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Kim Ik-tae
Doctor
