Kim Si-woo

as Orphanage Child 2

as Han-do Child

as Min-guk

as Child Chae Seung-hyuk

as Jo Geun-seok

as Lee Gang-hoon (4 Years Old)

as Advertiser's son

as Dining family son

as Vincenzo Cassano / Park Joo Hyung [Young]

as [Kindergarten boy]

as Si Hu

as Park Seung-won