Yoo Jeong-ho

as Yang Hae-dong

as Jeon Tae-su's Client (1 episode)

as Lieutenant colonel Woo

as Mr. Kim

as Quayside client

as Kim Min-sung

as Head Manager

as Kim Min-chul (16 episodes)

as Yeom Kyung-Seok (12 episodes)

as General Manager Oh

as Ju Dae-won (12 episodes)

as Lawmaker Yang

as Gun Store Employee

as Man in the Dark

as Tae-su's Elder Brother

as Seung-hoon

as NIS Section Chief Kim (3 episodes)

as Player

as Hyeon-cheol

as Detective Lee

as Logistics center employees

as Hoon-do

as Seo Gi-tae

as Detective Yoo