Ryu Tae-ho

as Kim Jong-Sik (1 episode)

as Kang Mu-yeong (12 episodes)

as Lee Sung-min (2 episodes)

as Commissioner (1 episode)

as Judge (1 episode)

as Prime Minister

as Chairman Choi (1 episode)

as Mr. Park

as Real estate agent (1 episode)

as Kwon Tae-gyun (10 episodes)

as Ho Jang Il (24 episodes)

as Mr. Ahn

as Choi Jung-woo (32 episodes)

as Chief of Staff

as Director Jo (32 episodes)

as Yoon Seong-soo (16 episodes)

as Won-ho

as CEO Jang (1 episode)

as Professor Moon Tae Min (4 episodes)

as Newspaper Manager

as Jang Yeong Cheol (2 episodes)

as Eun-Tak's boss (1 episode)

as Moon Il-seok

as Go Dong-ho (20 episodes)