Kwon Hyuk

as Kang Tae-yeong (12 episodes)

as Ko Yeong-su (1 episode)

as Interviewer

as Blue House Spokesperson

as Lee Seong-bin (2 episodes)

as Manager Nam

as Yang Ho-jin (1 episode)

as Jung Yeo-rib

as Cho Woo-taek

as Ma Cheol-jin (10 episodes)

as Lee Soo Dong (12 episodes)

as Assistant Secretary of the Security Office

as Kang Nam-Sik (8 episodes)

as Police Inspector

as Jung Cheong-gi (18 episodes)

as Eun Cheol-ho (16 episodes)

as Bae Sang-pil (6 episodes)

as Han Tae-Gil (32 episodes)

as 'The Whip Speaks' Reading Guest 5

as Diamond Man