Kim Joong-ki

as Interviewer

as Professor

as Jeong-gyu

as Go Jung-sik (16 episodes)

as Taxi Driver

as Detective Go

as Park Ki-Beom (32 episodes)

as Lawyer

as Prosecutor X

as Chief of Police

as CEO of Bio Company

as General Gang

as Gyohwan's father

as Commander of the Second Army Corps

as Pastor Park

as Shadow 6

as Su-bin

as Chief secret agent

as Neighbor

as 1st Trial Judge

as Detective Kang

as Cousin