Jeong Joon-won

as Joon-beom

as Young Yoon Seok-ha (16 episodes)

as Young Hyun-su

as Soon-ja's brother (voice)

as Jung-Goo (16 episodes)

as Jun-young

as Ji-sung (4 episodes)

as Oh-nak

as Je-sung

as Hwang Kyung-il (young) (2 episodes)

as Han‑bit

as Dong-goo

as Cheol-soo

as Myung-ho

as Soo Chul

as Gun-woo

as Ho-se

as Eung-cheol

as Young Sung-ho