as

Da-bin

as

Jui-dol

as

Hong Gi-dong

as

Seo Dong-ha

as

Yoon-woo

as

Young-min

as

Dae-gil

as

Kang Han-gyeol

as

Kang Min-seok

as

Sung-kyung

as

Kyeong-su

as

Sung-joon

as

Gae-dong

as

Ki-hyeon

as

Young Jang Seung-gu

as

Himself

as

Young Kim Ja-hong

as

Young-jae

as

Xia Mu (young)

as

Suk-yi

as

Gam-cho

as

Young Gap-su

as

Jang Jae Yeol (Young)

as

Young Baek Sung-chul

as

Joon-gu (young)

as

Young Wan-deuk

as

Kim Yoon-Yi / Kim Hwan-Yi

as

Bad Child 2

as

Sound