Lee Kyung-young

as The Boss (8 episodes)

as So Ri-bu (14 episodes)

as Carl Yoon (11 episodes)

as Lee Woong-sik

as Pal-chool

as Chairman Kwon (16 episodes)

as Han Sung-bum (16 episodes)

as Goo Jin-Ki (16 episodes)

as Cho Tae-sub (16 episodes)

as Chairman Kang Yoon-tae

as Lee In-hwan (12 episodes)

as Security

as Park Seung-joon [Presidential candidate] (1 episode)

as Jun-sik

as Yeo Byeong-gyu (16 episodes)

as Song Pil-jung (16 episodes)

as General Choi

as Lee Kwang-ju

as Edward Park (16 episodes)

as Uhm Sun-yang

as Min Jin-Hun (48 episodes)

as Ki San (16 episodes)