Kim Ji-yul

as Ji-yul (6 episodes)

as Kang Bang-geul (young) (2 episodes)

as Sim Jae-yi (young) (4 episodes)

as Lee Hong-ju (child) (1 episode)

as Ki-joo's First Client (1 episode)

as Lee Seol (young)

as Jang Ji-soo (1 episode)

as Lee Seo-yi (young) (1 episode)

as Sung Mi-do (child) (2 episodes)