Oh Seung-ah

as Cho Su-jin (12 episodes)

as Secretary Oh (1 episode)

as Jung Da-jung (132 episodes)

as Kang Ba Da (102 episodes)

as Ahn Ji Min (2 episodes)

as Yoon Jae-kyung (151 episodes)

as Hwang Yeon-soo (129 episodes)

as Shin Hwa-Kyung (122 episodes)

as Self (1 episode)

as Lee Yi-Na (1 episode)

as Yoon Soo-In (120 episodes)

as Yoo So Mi (12 episodes)

as MSC news reporter interviewee (1 episode)

as Self (8 episodes)

as Self (1 episode)