as Ryu Gwan-mo(1 ep)
as Seok-hun
as Bae Jin-kyu(2 eps)
as Jo Min-beom
as Detective Go(12 eps)
as Yoon Seok-jung
as Kim Il-seok(8 eps)
as Goo Seong-chan(2 eps)
as Woo Ga Ram(6 eps)
as Security Guard(1 ep)
as Beom-soo
as Private First Class
as Kim Su-hang(7 eps)