cast
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Jung Yu-mi
Yeon-seo
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Kim Sae-ron
Soo-jung
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Jung Kyung-ho
Soo-chul
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Choi Deok-moon
Kim Jong-ho
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Jo Dal-hwan
Pil-gyu
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Lee Young-yoo
Kim Song-yi
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Yoon Chan-young
Soo-chul (Young)
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Kim Bin-woo
Female Victim
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Yoon Don-sun
Policeman
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Jun Yoon-ji
Bakery Part-time Worker
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Kim Jae-hwa
Social Worker
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Seo Kyung-hwa
Yeon-seo's Mother
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Go Da Yun
Soo-chul's Older Sister
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Shin Dong-ryeok
Soo-chul's Father
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Seo Hyun-woo
Male Police Officer
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Kim Mi-hui
Female Police Officer
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Ha Ji-eun
Woman in Haengdang Area
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Kim A-ram
Mummy
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Yoon Tae-in
Man of Couple
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Song In-seop
Cellphone Man
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Kang Deok-joong
Rookie Laborer