Lee Do-yeop

as Park Jun-sang (1 episode)

as Park Jin-cheol (12 episodes)

as Hwang Gun-woong (12 episodes)

as Park Chan-gun (19 episodes)

as Jang Dong Hyun

as Ma Tae-hwa (24 episodes)

as Won Gi-seon (5 episodes)

as Special Agent Mr. Baek (16 episodes)

as Gam-ri's son (1 episode)

as Detective Chief

as Cho Tae-shin (16 episodes)

as Eun Man-Soo (40 episodes)

as Captain Yoo In-sik (1 episode)

as Detective Park (2 episodes)

as Jang Dong-hyeon (1 episode)

as Agent

as South Korean Soldier