Jo Woo-jin

as Kwak Dongwook

as Na Soon-tae

as Dok-go

as Self (1 episode)

as Gi-cheol

as Kim Sang-hyun

as Kang Dong-woo (8 episodes)

as Gang leader

as Self (1 episode)

as Mr. Blue

as Ma Du-sik

as Byun Ki-tae (6 episodes)

as Tokyo Branch Agent 2

as Mr. Blue

as Self (2 episodes)

as Manager Lee

as Han Tae-seok (12 episodes)

as Seong-gyu

as Chief Ahn

as Byeol Jang

as Dr. Jones

as South korean navy

as Self (1 episode)