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Boy, with Caution poster

Boy, with Caution (2026) – Trailer & Where to Watch

TV SERIES ★ 7.7/10 2026 1 season Drama

A disgraced teacher finds comfort in an anonymous chat partner, unaware the troubled student behind the messages is growing closer to him.

Where to watch Boy, with Caution (US)

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Cast

Ryu Se-il as Jang Ki-woo, Ha Jung-hoon as Lee Hyun-jae, Lee Jung-chan as Kim Jeong-ha, Jeong Si-wan as Park Seong-won, Jung Jae-un as Kim Ji-tae, Park Hong-joon as Choi Young-moon, Lee Ha-joon as Lim Hyun-jong, Lee Chan-yang as Choi Yoon-tae, Bae Yeon-hee as Jeong-ha's Grandma, Seo Jung-wook as Chairman of the School Foundation

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