Kim Kang-hoon

Park Jung-min

Choi Min-woo

Ji-ho

Woo-jong

Bae Young-guk's son

Young Lee Chang-ho

Boy

Host

Goo Do Kyung (young)

Young Jae-hoon

Lee Yong-tae

Ye Joon [Secretary Gwon's son]

Cha Eun Ho [Young]

아들

Park Dong-gu

Kangchun Family / Nephew

Kwon Hyuk-soo

Self

Jin Do-joon (young)

Young Goo Chan-sung

Young Eugene Choi

Do Jun-soo

Han Si-wan

Pil-gu

Self

Himself

King

Kim Seong-ryong (Young)

Cha Young Chan

Self

Teen Noa