as Lee Han-bong
as Choi Hee-Joon
as Dong-hwan
as Hae-su
as Ji-ho
as Kim Yi-joon
as Young Moon Gang-tae
as Kim Ji Hoon
as Cha Hoon [Dal Gun's nephew / "11 Years Old"]
as Lee Young-joon / Lee Sung-hyun
as Young Shin-jae / Kang Hyun-min
as Jung Ki-ho
as Ban Joo-yeon adolescente
as Son Jun-yeong (Eps 2, 3)
as Cheon Sang-hak (teen)
as Han Jun-woo
as Heo Im [Young]
as Cha Min Hoo [Young]
as Kyung Ho
as Prince Kangnyeong
as Kim Soo-hyeon (niño)
