Song Chang-eui

as Shin Woo-young

as Kim So-woo (126 episodes)

as Kang-hyeon

as Kang Seong-goo

as Kim Ik-hyeon

as Chan Eun-hyuk (48 episodes)

as Han Ji-Sub (5 episodes)

as Kang Jin-Woo (40 episodes)

as Baek Nam-bong (10 episodes)

as Jung Tae-won (40 episodes)

as Lee Jung-geun (35 episodes)

as Cha Yeo-wook (20 episodes)

as Song-ho

as Kim Suk-hyun (15 episodes)

as Kim Chul-su (voice)

as Yang Tae-Sup (63 episodes)

as Lee Jae-min (16 episodes)

as Tae-ho

as Jang Joon Ha (16 episodes)

as Self (2 episodes)