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Boy, with Caution poster

Boy, with Caution Cast & Characters

Ended 2026 77 Audience
Starring Cast
R
Ryu Se-il
Jang Ki-woo
H
Ha Jung-hoon
Lee Hyun-jae
L
Lee Jung-chan
Kim Jeong-ha
J
Jeong Si-wan
Park Seong-won
J
Jung Jae-un
Kim Ji-tae
P
Park Hong-joon
Choi Young-moon

Full cast

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