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Television series · Cast

Full cast

Boy, with Caution

On screen

Cast

11 credited performers

Ryu Se-il portrait

Ryu Se-il

Jang Ki-woo

Ha Jung-hoon portrait

Ha Jung-hoon

Lee Hyun-jae

Lee Jung-chan portrait

Lee Jung-chan

Kim Jeong-ha

Jeong Si-wan portrait

Jeong Si-wan

Park Seong-won

Jung Jae-un portrait

Jung Jae-un

Kim Ji-tae

Park Hong-joon portrait

Park Hong-joon

Choi Young-moon

Lee Ha-joon portrait

Lee Ha-joon

Lim Hyun-jong

Bae Yeon-hee portrait

Bae Yeon-hee

Jeong-ha's Grandma

Yun Su-jin portrait

Yun Su-jin

Hyun-jong's Mother

Lim Soo-hyun portrait

Lim Soo-hyun

Character not listed

이찬양 portrait

이찬양

Choi Yoon-tae