Kim Si-woo

as King Danjong (Young)

as Orphanage Child 2

as Han-do Child · 12 episodes

as Min-guk

as Child Chae Seung-hyuk · 4 episodes

as Jo Geun-seok · 16 episodes

as Lee Gang-hoon (4 Years Old) · 2 episodes

as Advertiser's son

as Dining family son

as Vincenzo Cassano / Park Joo Hyung [Young]

as [Kindergarten boy]

as Si Hu