Park Seong-geun

as Elder Yoon

as Park Jin-seok

as Office Manager

as Police Team Leader

as Big Brother

as Director

as Park Dae-seong

as Hong Sang-wook

as Cho Bang Hyun

as Jung Ji-seong

as Kim Hyeong-seob

as Cha Hyun-chul

as Principal

as KCIA Secretary Kang Chang-su

as Cabinet Member #2

as Hae Young's boyfriend

as Choi Jin-cheol

as Do Sang-won

as Venture capitalist

as Kang Won-chul

as Prosecutor

as Yoon Hyung-Seok

as PD

as Ophthalmologist

as Assistant Manager Park