South Korean actor
as Yoon Hyeon-seok(1 ep)
as Oh Young-min(12 eps)
as Maeng Chul-Jun(12 eps)
as Song Jun-ho(2 eps)
as Cha Seungtae(16 eps)
as KMA HQ director(1 ep)
as Choi Geum-cheol(16 eps)
as Sang-man(2 eps)