Park Seong-geun

as Office manager

as Cabinet Member #2

as Principal

as Ophthalmologist

as Cho Bang Hyun

as KCIA Secretary Kang Chang-su

as Police Team Leader

as Big Brother

as Prosecutor (uncredited)

as Assistant Manager Park

as Director

as PD

as Cha Hyun-chul

as Kim Hyeong-seob

as Choi Jin-cheol

as Kang Won-chul

as Park Jin Seok

as Do Sang-won

as Jung Ji-seong

as Hong Sang-wook

as Park Dae-seong

as Yoon Hyung-Seok

as Hae Young's boyfriend