ONE: High School Heroes

Episode #1.7 (Season 1, Episode 7)

TV Episode | 48 min | Action, Drama

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Release date

Jun 13, 2025 (South Korea)

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Cast	+ Add Cast
7 cast members

Name	Known for
Lee Jeong-Ha Kim Eui Gyeom Kim Eui Gyeom See fewer	Moving (2023)
Kim Do-wan Kang Yoon Gi Kang Yoon Gi See fewer	Big Mouth (2022)
Kim Sang-ho Kim Eui-gyeom's father Kim Eui-gyeom's father See fewer	The Happy Life (2007)
Kim Joo-ryoung Kim Eui Gyeom's mother (as Kim Joo-ryung) Kim Eui Gyeom's mother (as Kim Joo-ryung) See fewer	Memories of Murder (2003)
Shin Hyun-soo Kim Soo-Kyum Kim Soo-Kyum See fewer	Duty After School (2023)
Kim Jong-goo Kim Ui-Gyeom's grandfather Kim Ui-Gyeom's grandfather See fewer	Confession of Murder (2012)
Kim Mi-ra Kim Ui-Gyeom's aunt Kim Ui-Gyeom's aunt See fewer	Sisyphus: The Myth (2021)