Park Young-kyu

as No-ja

as Kim Gab-seob

as Oh Young-kyu (24 episodes)

as Goldman President

as Jin-bong's Father

as Chairman Park Young-kyu (2 episodes)

as Principal (uncredited)

as Ki Jeong-do (16 episodes)

as Mr. Seo

as Kim Young-Woong (100 episodes)

as Self (8 episodes)

as Nam Gun-Ho (36 episodes)

as Park Young-gyu (50 episodes)

as Park Hyeon-do (20 episodes)

as Hwang Yeong-Kyu (1 episode)

as Do Choong (50 episodes)

as Park Choon-sub (20 episodes)

as Jong Do-song (16 episodes)

as King Seonjo (50 episodes)

as Kang Hyun-chul (16 episodes)

as CEO Lee Jong-ho (16 episodes)

as Yi In-im (50 episodes)

as Doctor in Joseon era (1 episode)

as Oh Wang-sung (150 episodes)