Kim Byeong-gi

as Jang Yong-hyeon (9 episodes)

as Bang Yeong-chan (12 episodes)

as Choi Gyeong-su (12 episodes)

as Yoon Ho-sung (32 episodes)

as Choi Jong-su (32 episodes)

as Cha Tae-su (16 episodes)

as No Yang-ho (52 episodes)

as Maeng Sa-sung (24 episodes)

as Yoon Tae-jun (26 episodes)

as Sung In-cheol (135 episodes)

as Baek Je-ra (204 episodes)

as No Shin-young (41 episodes)

as Lee Sung-soo (246 episodes)

as President Yoon (16 episodes)