Young Lee Chang-ho

Yang Je-il (teen)

Park Jin-seo

Kwon Hyuk-soo

Jin Do-joon (young)

Lee Do-il's Son

Teen Noa

Park Dong-gu

Kangchun Family / Nephew

Young Joon-kyung

Lee Yong-tae

Boy

Young Jae-hoon

Nam Do-san (young)

Goo Do Kyung (young)

Bae Young-guk's Son

Kang Pil-gu

Woo-jong

Ji-ho

Young Goo Chan-sung

King

Ye Joon [Secretary Gwon's son]

Han Si-wan

Young Eugene Choi

Choi Min-woo

Park Jung-min

Do Jun-soo

Self

Self