Kim Kang-hoon

Yang Che-il (teen) • 1 episodes

Young Lee Chang-ho

Park Jin-seo • 12 episodes

Kwon Hyuk-soo • 1 episodes

Teen Noa • 5 episodes

Lee Do-il's Son

Jin Do-joon (young) • 2 episodes

Park Dong-gu • 12 episodes

Young Jae-hoon • 3 episodes

Boy

Young Joon-kyung

Lee Yong-tae • 16 episodes

Kangchun Family / Nephew • 8 episodes

Nam Do-san (young) • 4 episodes

Goo Do Kyung (young) • 32 episodes

King • 1 episodes

Young Goo Chan-sung • 2 episodes

Ji-ho

Park Woo-jong

Kang Pil-gu • 40 episodes

Cha Eun Ho [Young] • 1 episodes

Bae Young-guk's Son

Self • 1 episodes

Young Eugene Choi • 24 episodes

Ye Joon [Secretary Gwon's son] • 3 episodes

Han Si-wan • 32 episodes

아들 • 4 episodes

Choi Min-woo

Kim Seong-ryong (Young) • 20 episodes

Park Jung-min

Cha Young Chan • 16 episodes

Do Jun-soo • 12 episodes

Self • 1 episodes

Self • 1 episodes

Self • 1 episodes

Host • 1 episodes