Lee Ga-kyung

as Han Su-jin (10 episodes)

as Lim Jeong-yeon (54 episodes)

as Mi-do

as Song-yi (7 episodes)

as Kim In-young (2 episodes)

as NGO Director Choi

as Dong-hyeok's Mother

as Administrative Officer

as Investor (Eps 2) (1 episode)

as Researcher 2

as Jung-do's Secretary

as NIS Agent

as Nurse 2

as Victim 6

as Cha-in

as Gambling site employee

as Jae-youn (1 episode)

as Si-nae

as Wedding hall staff

as Stewardess

as Audience