Kim Si-woo

King Danjong (Young) • 1 episodes

Orphanage Child 2

Han-do Child • 12 episodes

Child Chae Seung-hyuk • 4 episodes

Min-guk

Lee Gang-hoon (4 Years Old) • 2 episodes

Jo Geun-seok • 16 episodes

Advertiser's son • 1 episodes

Dining family son • 1 episodes

Vincenzo Cassano / Park Joo Hyung [Young] • 1 episodes

[Kindergarten boy] • 1 episodes

Park Seung-won • 1 episodes

Si Hu • 1 episodes