Kim Won-suk

as Forensics Expert (1 episode)

as Officer Kim (1 episode)

as Trust storage staff (1 episode)

as AS Theme Park ceremony attendee (1 episode)

as Prison guard (1 episode)

as Detective (1 episode)

as [Attorney] (1 episode)

as [Detective] (1 episode)

as Police Officer (1 episode)

as ovN employee (1 episode)

as [Administrative HQ man] (1 episode)

as Detective Dotbogi (16 episodes)

as Jang Ki-young (1 episode)